For the half dilutions part of your experiment how many samples are you required to have ? How much water in each sample? Question 1 options: 10 samples/100 mL water 7 samples/10 mL water 5 samples/20 mL water None of the above

Q: How many milliliters of 2.5 M sulfuric acid are needed to make 100.0 mL of 0.40 M H 2SO 4?     16.0…

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Q: What volume (mL) of a concentrated solution of sodium hydroxide (6.00 M) must be diluted to 200. mL…

A: On dilution number of moles remain same.

Q: I need helping solving these please explain in the most simplest way so I can understand how to do…

A: Three numerical problem based on quantitative analysis, which is to be accomplished.

Q: Step 1: In tube 1, you add 100 ul of plasma to 900 ul of distilled water.  Step 2: In tube 2, you…

A: The final/total dilution factor can be obtained by the multiplication of individual dilution factors…

Q: Ratio of peppermint water to make 60ml? What is the stepwise procedure for preparation of…

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Q: What volume of water would you add to 15.0 mL of 12 M HCl to make it to 6.0 M solution?   * 10 mL…

A: Given: Initial concentration of solution, M1 = 12 M The initial volume of solution, V1 =15.0 mL…

Q: You have a stock solution of 14.8 MM NH3NH3. How many milliliters of this solution should you dilute…

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Q: Calculate the mass–volume percent concentration for a 5.5 M NaOH solution. Enter a number only. Do…

A: Given, 5.5 M NaOH solution

Q: What volume of water would you add to 15.0 mL of 12 M HCl to make it to 6.0 M solution? a.100 mL…

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Q: Part A: Determination of Densities of Pure Water and Calcium Chloride Solutions (1) Temperature of…

A: “Since you have posted a question with multiple sub-parts, we will solve first four subparts for…

Q: To make a calibration curve you would first make stock solution Determine the mass of copper (ll)…

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Q: 7. Graduated cylinders can be used if an experiment calls for specific volumes but without the level…

A: All graduated glassware can be read with one uncertain digit, i.e. the uncertainty if +/- 0.1 is the…

Q: You have a Standard A of Blue Dye 5 with a Molarity of 2.000 x 104 M. • You make a Standard B by…

A: Given :  Molarity of standard dye A = 2.000 x 10-4 M  Standard B is formed by 1:5 dilution of…

Q: 0.8 M HCl was diluted to a fixed volume of 500 ml. If the new concentration is 0.20 M, what was the…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: If you start with 4.00M HCl how can you make up 200 ml of 0.200M HCl? a) 40ml 0f HCl and 40 ml water…

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Q: 0.54 g phthalic acid fully dissolve in 100 ml water at room temperature. How much is phthalic acid…

A: Amount of phthalic acid dissolves in the amount of water is simply corresponding to the density of…

Q: Weigh out 5g of table salt. Dissolve it in 50mL of distilled water in a container using a stirrer…

A: Given information is as follows: The mass of table salt = 5 g The volume of distilled water = 50 mL…

Q: chemist dissolves 248 mg of pure hydrochloric acid in enough water to make up 280 mL of solution.…

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Q: If the concentration of a fluoride in a city is drinking water were 0.800 per parts per million how…

A: Given : The concentration of fluoride in parts per million i.e ppm = 0.800 ppm  Since there is no…

Q: You need to make a 1:5 dilution of a solution. You need 25 ml of the diluted solution. How much…

A: Given:dilution ratio= 1:5volume of diluted  solution = 25ml

Q: Use the exothermic and endothermic interactive to determine the final temperature of each solution…

A: Given: The enthalpy of dissolution of KOH = -57.61 kJ/mol Let the density of water be "1 g/mL"   As…

Q: You are given a standard with a concentration of 10 ppm. You are to create 5 different samples, all…

A: Concentration of the standard = 10 ppmTotal volume of each sample = 100 mLWe have to solve the…

Q: 12.0−mL portion of 7.00 M stock solution is to be diluted to 0.300 M. What will be the final volume…

A: Molarity is defined as total number of solute present in 1000 ml of solution .   For neutralisation…

Q: How many mL concentration 15 M sulfuric acid solution will I need to make 500 mL of 1.5 diluted…

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Q: • Stock solution: 1000 mg/L Target sample concentrations: 50-400 mg/L • Create a 5-point standard…

A: Given that, The concentration of the stock solution is C1 = 1000 mg/L. The volume of the final…

Q: How many milliliters of a 7.4 M NaOH solution are needed to make 694 mL of a 2.3 M NaOH solution?…

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Q: student begins lab with 238.6 ml of 3.6 Hcl. They re instructed to dilute solution so that the…

A: Initial volume of HCl= 238.6 mL Initial concentration of HCl = 3.6 M Final concentration of HCl =…

Q: This question is about solubility of liquids in liquids. Please help me answer it In two separate…

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Q: A chemist wishes to mix a solution that is12​% acid. She has on hand 8 liters of a 8​% acid solution…

A: Given: 8 litres of 8% acid solution is added to some 16% acid solution to get the desired 12% acid…

Q: Given the stock solution (0.019 M) and diluted solution (0.013M) can you help me compute with How…

A: Given: Concentration of stock solution = 0.019 M Concentration of dilute solution = 0.013 M Volume…

Q: In this lab, stock solution A has an Fe2+ content of 0.0100 g/L. A student prepares a new sample…

A: We know,  C1V1 = C2V2  Where, C = concentration  V = volume

Q: The following five beakers, each containing a solution of sodium chloride (NaCl, also known as table…

A: Molar mass of NaCl = 58.44 g/mole Beaker 1:   200 ml of 1.50 M NaCl Concentration of NaCl = 1.50 M…

Q: You used a stock 0.200M solution of CuSO4 for constructing a calibration curve. Assuming the density…

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Q: Look at the diagram below of a ten-fold serial dilution. Serial Dilution 9 mL stock solution 1 mL…

A: Serial dilution: It is a sequence of dilution of a substance in the solution and the dilution factor…

Q: If 250 mL of a 12% solution is diluted to 1 L, what will be the percentage strength?   a 1.2%   b…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the amount of…

Q: concentrated form that is 37.0 % HCl by mass and has a density of 1.20 g/mL. Describe exactly how to…

A: We have to find how much concentrated solution must be taken such that stock solution has 0.5M for…

Q: 1. How did the temperature change throughout the experiment? Use relative terms like increase,…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Too much iron in drinking water can cause the following undesirable effects: rusty color; sediment;…

A: 1) Concentration in ppm is given by  volume of water = 3.82 X 104 L = 3.82 X 107 mL…

Q: Maria needs to dilute her stock of 15.0 M HNO3 solution for an experiment. She wants to prepare 525…

A: Given  Initial Molarity of HNO3 solution ( M1 ) = 15 M  Final Molarity of HNO3 solution ( M2 )  = 1…

Q: Calculate the solubility of BaSO4 in water at 25°C. You'll find Ksp data in the ALEKS Data tab.…

A: Molar solubility (mol/L)is defined as the number of moles of solute dissolved in 1 L of saturated…

Q: A laboratory experiment calls for you to make 1.20 L of a 0.400 M KNO3 solution. You have a 2.50 M…

A: Given, concentration and volume of diluted solution is as,  concentration =0.400 Mvolume =1.20…

Q: A 900.0 g sample of sea water is found to contain 6.7 x 10 -3 g Zn.  Express this concentration in…

A: The concentration has to be given in ppm, Formula used: ppm=mass of solute/mass of solution×106

Q: A 0.800 M HCl was diluted to a final volume of 500. mL . If the new concentration is 0.20M . What…

A: Given that, a 0.800 M HCl was diluted to a final volume of 500 mL.  The concentration after dilution…

Q: Number of equivalents in  2.00 M Ca^2+ 4.00 M Br^- 2.65 M PO_4^3-

A: Normality =No of equivalent weightsVolume in LNormality = M × nLet us consider the volume= 1LNo of…

Q: 5. The mineral analysis below was reported for a water sample. Calcium 90 Chloride 120 Magnesium 30…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: How many milliliters of concentrated nitric acid, 16 M HNO3, will you use to prepare 7.50 x 102 mL…

A: M1V1 = M2V2 Where, M1 = initial molarity; M2 = final molarity; V1 = initial volume; V2 = final…

Q: Aromatic Water Poppermint water (Simple solution method) Formula Poppermint ol, Purifled water, To…

A: Answer - peppermint water - Procedure - (1) forming a carrier solution after mixing proper amount of…

Q: How many milliliters of 18.2 M H2SO4 are needed to prepare 600.0 mL of 0.10 M H2SO4?

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Q: What volume of 1.00 M NaOH would be required to neutralize 41.2 mL of 9.9 M HCl? Round to two places…

A: using , M1V1 = M2V2

Q: Compare the percentages of water for each trial?  Are they close to one another?  Why/why not?…

A: Given: percentages of water for each trial: trial 1 = 28.6% trial 2 = 29.8% trial 3 = 24.8% trial 4…