Q: 100.0 mL of a 0.580 M solution of KBr is diluted to 500.0 mL. What is the new concentration of the…
A: Given that, 100 mL of 0.580 (M) solution of KBr is diluted to 500 mL We know that, V1S1 = V2S2…
Q: What is the concentration of HNO3 in the final solution when 70.0 mL of a 6.00 M HNO3 solution is…
A:
Q: A 3.682 g sample of K2CO3 is dissolved in enough water to give 375 mL of solution. What is the pK+…
A:
Q: Can you please help me with this problem?
A: Calculate the number of moles of HCl.
Q: What is the molarity of a solution that is composed of 9.010 g of Na2CO3 dissolved into water to…
A:
Q: How many milliliters of a syrup containing 85% w/v of sucrose should be mixed with 150 mL of a syrup…
A: The syrup solution of 85 % w/v of sucrose is to be mixed with a syrup solution of 60% w/v (150 mL)…
Q: 0.05 g of acetyl salicylic acid has been dissolved to the volume 25.00 ml to create a stock…
A:
Q: John measures out the required 150 mL of 6% H2O2 in a graduated cylinder. What volume of distilled…
A: Given: %(v/v) of H2O2 stock solution = 6 % Volume of final solution required = 300 mL %(v/v) of…
Q: The table shows four solutions that were prepared by dissolving salt in water. Solution Mass of…
A:
Q: 100.0 mL of a 0.625 M solution of KBr is diluted to 500.0 mL. What is the new concentration of the…
A: The process of dilution produces a solution with certain lower concentration of solute by adding…
Q: 5. As the pharmacist at a rural clinic in Ecuador, you have been asked to make 550.0 mL of an eye…
A: The question is based on the concept of molarity. it is defined as number of moles of solute…
Q: To what volume (in mL) would you need to dilute 20.0 mL of a 1.40 M solution of LiCN to make a…
A: Given Volume ( V1) = 20 mL Molarity ( M1) = 1.40 M Molarity ( M2) = 0.0900 M…
Q: 2. A solution of KCI is saturated at 50°C. (a) How many grams of solute are dissolved in 100 g of…
A: Answer:- This question is answered by using the given solubility table at different temperatures.…
Q: How many grams of concentrated niyric acid solution should be used to prepare 2.50 ml of 2.00 M…
A:
Q: 100.0 mL of a 0.890 M solution of KBr is diluted to 500.0mL. what is the new concentration of the…
A:
Q: If 0.9871 g of the primary standard KIO3 is used to prepare 500.00-mL of the standard solution, how…
A:
Q: Part L How many milliliters of a 0.250 M NaCl solution are required in order to supply 25.0 grams…
A: Welcome to bartleby !
Q: What is the molarity of the solution prepared by diluting 27.4 mL of 2.10 M AgNO3 to the final…
A: Molarity is defined as number of moles of solute divide by volume of solution
Q: What is the dilution factor when 100 ul is added to a final volume of 5ml?
A: Since the units of initial volume is given ul instead of µl. Hence I'm assuming it to be µl i.e…
Q: please highlight the correct answer
A: The expression for dilution (d) in terms of the ratio of volumes is determined as follows:
Q: What is the molarity of a solution if 50.0g of LiNO3 is dissolved in 2.75 L of solution
A: Molarity is the concentration term that is defined as the number of moles of solute dissolved per…
Q: A 20.0 g sample of HF is dissolved in water to give 2.0 x 102 mL of solution. The concentration of…
A: Given: The mass of HF is 20.0 g. The volume of solution is 2.0×102 mL.
Q: 100.0 mL of a 0.530 M solution of KBr is diluted to 500.0 mL. What is the new concentration of the…
A: • The values provided in the question are:- i) Initial concentration of KBr solution, M1 = 0.530…
Q: I have 6 tubes with the contents labeled. How can I make a 20% concentration serial dilution? Please…
A: Serial dilution: A serial dilution is any dilution in which the concentration decreases by the same…
Q: What volume (in ml) of the concentrated (stock) H2SO4 (MW = 98 g/mol) is needed to prepare 1.13 L of…
A:
Q: How many millimoles of solute are contained in a) 2.00 L of 2.76 x 10-3 M KMnO4? b) 250.0 mL of…
A: Using the formula,
Q: Solution A is prepared by dissolving 5.0 g of KCl in 95.0 g of water. Solution B is prepared by…
A: Given :- Solution A Mass of KCl = 5.0 g Mass of water = 95.0 g Solution B Mass of KCl = 10.0 g…
Q: iii) H* + OH- → H2O AH° =- 57.32 kJ is an example of ....... a) heat of formation b) heat of…
A: Enthalpy (heat) of a reaction is the energy required or released in a chemical reaction. Therefore,…
Q: A geochemist measures the concentration of sait dissolved in Lake Parsons and finds a concentration…
A:
Q: 3.75 dm3 of distilled water are added to 250.0 cm3 of 3.20 mol dm–3 sodium hydroxide solution. What…
A:
Q: What volume of 0.200 M Na2CO3 (MW = 106) solution contains 53.0 g of Na2CO3?
A: Given solution of Na2CO3 has concentration of 0.200 M and the solution contains 53.0 g of Na2CO3.…
Q: STEP1 Put some FeS particles into a big tube. Add 1 or 2 mL of 18% HCl solution onto FeS particles.…
A: The reaction that takes place when FeS reacts with HCl is expressed as,…
Q: How many mL of stock solution is required to prepare 50 mL of 12.5% H2O2 solution from 90% hydrogen…
A: We know that a one percent solution defined as 1 gram of solute per 100mL final volume.
Q: 100.0 mL of a 0.610 M solution of KBr is diluted to 500.0 mL. What is the new concentration of the…
A: To Solve this problem we will use the formula M1V1 = M2V2 Where , M1 = initial concentration V1…
Q: Solution X 100 mL of 0.10 M NaOH(aq) is mixed with 100 mL of 0.10 M HBr(aq) Solution Y 100 mL of…
A: In this question, we have to find out the correct answer of given problem by the help of the…
Q: 8. (2 pts) What volume (in mL) of a 2.0 M K2CrO7 solution must be diluted to prepare 500 mL of 0.10…
A:
Q: Show your calculations for the volume of 0.100 M LiCI required for each dilution in Step 2. (HINT:…
A: The dilution law is M1 V1 =M2 V2 M1 is the concentration of stock solution, V1 is the required…
Q: Given equimolar amounts of these solids in separate beakers of distilled water, which one would…
A: A compound that can dissociate into greater number of ions in solution making concentration higher…
Q: 400.0 mL of a 0.485 M solution of NaCl is diluted to 900.0 mL. What is the new concentration of the…
A: The concentration of any solution decreases upon dilution because same amount of solute will be now…
Q: A 32.5 mL sample of an 5.6 % (m/v) KBr solution is diluted with water so that the final volume is…
A:
Q: . You have a concentrated stock solution of bacterial LPS in water that has a concentration of 1…
A: Since the dilution factor is inversely proportional to the concentration of the solution.
Q: What volume (mL) is required from a stock solution of 1.98 M KNO3 to prepare a 750 mL solution of…
A: The correct option is:
Q: A student must prepare 5.000 L of 0.2500 M Na2CO3 (105.99 g/mol). Which is the best procedure for…
A: Given Volume of solution = 5 LMolarity of solution = 0.25 MMolar Mass of Na2CO3 = 105.99 g/mole
Q: sheet Part 2. Osmosis (Alternate Procedure) Mass (in grams) Initial mass of potato before placing it…
A: This is due to osmosis where water from potato moves to salt water and hence mass of potato is…
Q: What volume (mL) of a concentrated solution of magnesium chloride (9.00 M) must be diluted to 350.…
A: Consider, Initial concentration of magnesium chloride, M1 = 9.00 M Final concentration of magnesium…
Q: What volume of 40% w/w HCI (36.5) density 1.198 m/ml must be diluted with water to obtan excatly 250…
A: To get 250 mL of 1.0 F concentration of HCl we need to calculate stock formula concentration of HCl.
Q: a) An aqueous solution contains 12.6 ppm of dissolved Ca(NO3)2 (which gives Ca2+ + 2NO3- ). Find…
A: Given that concentration of Ca(NO3)2 = 12.6 ppm Let volume of the solution = 1L = 1000 mL we know…
Q: How many milliliters of water should be added to 3.3 mL of 18.2 MH 2SO4 in order to prepare 0.10 M…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
When bromoform (d=2.89 g/ml) and water ( d=1 g/ml) are mixed, two layers form. Is the bottom layer water or bromoform?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- A student must prepare 7.00 L of 0.100 M Na2CO3 (106 g/mol). Which is the best procedure for preparing this solution? Measure 74.2 g Na2CO3 and add 7.00 kg of H2O. Measure 10.6 g Na2CO3 and add 7.00 kg of H2O. Measure 74.2 g Na2CO3 and add H2O until the final homogeneous solution has a volume of 7.00 L. Measure 10.6 g N22CO3 and add H2O until the final homogeneous solution has a volume of 7.00 L. Measure 74.2 g Na2CO3 and add 7.00 L of H2O.1) KOH and NaOH are dissolved in water to form a 2.48 molar solution. If 42.9 g of NaOH are used and the resulting solution has a volume of 1673 ml, how much of the pure KOH was in the solution? 2) Sucrose CizH2O1 and ethyl alcohol CH,OH are mixed to form a 14.1 %wt solution. If the density of the solution is 1.15 g/ml, find the molar concentration of the solution.Series 9. Mixtures Brass Sand + CuSO4• 5H2O White wine Series 9. Mixtures (continued) Water and BaSO4 Oil and water Vinegar
- What is the molarity of a solution prepared by diluting 8.45 mL of 28.0 % w/w NH3 (density is 0.899 g/mL) to 250.0 mL? FM(N)=14.01g/mol, FM(H)=1.01g/molA calibration curve of KCl conductivity (y-axis) vs concentration (mass percent, x-axis) is made. The equation of line of best fit is y = 578.3x + 0.380 and the R 2 is 0.9998. Based on this data what is the mass percent of an unknown KCl solution with a conductivity of 2,788 uS/cm? 6.55 % 6.12 % 4.14 % 3.98 % 4.82 %What is the concentration of a 62.0 % (w/w) concentrated nitric acid (HNO3, Mr = 63.0 g/mol) solution (density: 1.32 g/cm3) in mol/dm3 (molarity) and g/dm3 (mass concentraion) units? How many cm3 do you need to dilute into 200.0 cm3 from that concentrated nitric acid if you would like to have a solution with a concentration of 3.0 mol/dm3 ?
- a 1.00 L aqueous solution that contains 5.00 g MgCl2 was diluted to 2.00L. a. what is the concentration of this new solution in units of %(m/v) b. what is the concentration of this new solution in units of %(m/m)? assume that solution density is 1.02 g/LA pharmacist adds distilled water to 4.00 g of a powdered drug. The final volume of the solution is 30.7 mL. What is the % W/V of the solution? The recommended concentration is 1.7% W/V. What mass, in g, of TSP is needed to make 2.7 L of solution? A formula for anti-fungal shampoo contains 2.0% W/V ketoconazole. How many litres (L) of shampoo could be made with 72 g of ketoconazole?2. Calculate the number in miligram of MgCl₂ that would be needed to prepare 520 ml of a 21 % aqueous MgCl2 solution. (density of the solution is 1.1 g/ml). 3. Calculate the number of gram of NaOH that must be added to 250mL of water to make a 15% NaOH solution. (Density of solution: 1.21g/mL) 4. What weight of KCI and H₂O are needed to make 520 g. of 15 % solution. 5. Suppose that 2.5 ml of 20% AgNO3 solution (density is 1.19 g/ml) What weight AgNO3 was in the solution used?
- A calibration curve of NaCl conductivity (y-axis) vs concentration (mass percent, x-axis) is made. The equation of line of best fit is y = 598.3x + 0.327 and the R 2 is 0.9998. Based on this data what is the mass percent of an unknown NaCl solution with a conductivity of 2,609 uS/cm? 5.45 % 4.36 % 5.47 % 5.99 % 3.75 %Determine the volume of dilute HNO3 (d= 1.11 g/mL and 19% pure) that can be prepared by diluting 50 cm3 of the concentrated acid (d= 1.42 g/mL and 69.8% pure) with water.A 0.200 M K2SO3 solution is produced by A) diluting 250.0 mL of a 1.00M K2SO3 solution to 1.00 L B) diluting 100.0 mL of a 2.50 M K2SO3 solution to 250.0 mL C) diluting 20.0 mL of a 5.00 M K2SO3 solution to 500.0 mL D) diluting 1.00 mL of a 250M K2SO3 solution to 1.00 L O B C OD O A
