Give only typing answer with explanation and conclusion other wise you go downward Calculate the number of grams of NaCl and/or dextrose in 5L 10W?
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Give only typing answer with explanation and conclusion other wise you go downward
Calculate the number of grams of NaCl and/or dextrose in 5L 10W?
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- What volume of solution is needed to give 15.3 g of NaBr is the solution is 28.4% NaBr by volume and the density of the solution is 1.26 g/mL? Please answer very soon will give rating surely(#26) Concentration of Solutions A concentrated solution of hydrochloric acid contains 120.0 g of water and 72.0 g of hydrochloric acid. (26a) What is the total moles of components in the final solution? Type-in your answer in Blank #1. Enter only the value in regular numerals with three significant figures. 26b) What is the mole fraction for hydrochloric acid? Type-in your answer in Blank #2. Enter only the value in regular numerals with no digit or space filler and with three significant figures. (26c) Given the density of the solution as 1.189 g/mL, what is the total volume of the solution? Type-in your answer in Blank #3. The unit is milliliters, but enter only the value in regular numerals with four significant figures (26d) What is the Molarity of the solution? Type-in your answer in Blank #4. The unit is mole/L but enter only the value in regular numerals with four significant figures. DialPlease answer this question correctly in the correct format that is needed. an example picture of a format is below, please do this on paper with the correct steps and answer, include brackets as well in the format. Molarity Problem: A solution has a volume of 2.0 L and contains 36.0 g of glucose (C6H12O6). If the molar mass of glucose is 180 g/mol, what is the molarity of the solution.
- Question. Determination of percent water (%H₂O) in hydrated FeSO4nH₂O is demonstrated in General Chemistry Laboratory (I), Chem. 105. The following table contains the results collected from the students groups. 1 2 3 4 5 6 (a) Calculate the average number of water molecules (b) %H₂O in each sample. 3.38 3.47 3.35 3.40 3.44 3.41 1.4 1.35 1.35 1.44 1.49 1.39 Mass of water (g) Moles of water Moles FeSO4 11= Moles H₂O Mole FeSO Average n % water in hydrated salt (wt/wt) Hint: Atomic mass: Fe = 56 g/mol; O = 16 g/mol; H = 1.0 g/mol; S = 32 g/mol.(A) Sample Problem: A 12.1 Moles NaOH solution means there are 12.1 moles of NaOH in liter of solution. Preparation of 12.1 M NaOH: Step 1: Determine the number of grams of NaOH in 12.1 moles of NaOH solution 1 mole of NaOH = ___g of NaOH, in 12.1 moles of NaOH, there are ___g of NaOH. Show the calculation to obtain the number of grams of NaOH Step 2: Now weigh -___of NaOH (resulted mass of NaOH in step 1) using balance. Step 3: Put the ___g of NaOH in a beaker, then add enough water to make it 1 Liter of solution. Stir the solution until NaOH is completely dissolved.(A) Sample Problem: A 12.1 Moles NaOH solution means there are 12.1 moles of NaOH in liter of solution. Preparation of 12.1 M NaOH: Step 1: Determine the number of grams of NaOH in 12.1 moles of NaOH solution 1 mole of NaOH = ___g of NaOH, in 12.1 moles of NaOH, there are ___g of NaOH. Show the calculation to obtain the number of grams of NaOH Step 2: Now weigh -___of NaOH (resulted mass of NaOH in step 1) using balance. Step 3: Put the ___g of NaOH in a beaker, then add enough water to make it 1 Liter of solution. Stir the solution until NaOH is completely dissolved. (B) Sample Problem: A chemist prepares a solution by dissolving .8 mole of NaOH in water to give a 50 ml solution. What is the molarity of this solution? (C) Sample problem: What is molality of a solution prepared by dissolving 20g MgCl2 in 250 g water? (D) Sample Problem: What is the mole fraction of the particles contained in a 25% sucrose ?
- For the following reaction:H3PO4 + 3 KOHK3PO4 + 3 H2O(1) What is the equivalent mass of H3PO4? (2) Calculate the number of equivalents in 29.6 grams of H3PO4. Please type answer note write by hend.4. Predict the effect of temperature decrease, (b) pressure increase, (c) concentration increase of O2 on the concentration of all species. Answer using "more" or "less". 2 SO3(9) O2(9) + 2 SO2(9) AH = - 47 Kcal a. b. С.How many mL of 1.47 M NaCl are needed to contain 4.0 g of NaCI? Report to nearest 0.1 mL, with no units. Your Answer: Answer
- What is the Mass of solvent in grams? Add together the masses of the liquid water and ice added to the calorimeter. Convert the volume of liquid water to mass using 1.000 g/mL as the density of water (see procedure for volume used). Side note:Molarity of the solution is 0.76612903225806A typical adult body contains 6.0 L of blood. The hemoglobin content of blood is about 15.5 g/100.0 mL of blood. The approximate molar mass of hemoglobin is 64,500 g/mol. How many moles of hemoglobin are present in a typical adult? Show work pleaseQ1) How you would prepare 30 ? gm of 20% of KCI in water Q2) The minimum oxygen concentration needed to support most fish in around 5ppm. How many moles of O, per liter dose this correspond to ? (if molecular .(weight of O, = 32 gm/ mole Q3) water in a solution prepared by Find the mole fraction of dissolving 4.50 gm of CaBr, in of water ? (if the formula weight of CaBr, = 200 gm/ .(mol , H2O= 18 gm/ mole 84.0 mL