13. How many mL of a 4M NaCl (MW=589.mol-1) so- lution contains 5 grans of NaCl....
How many grams of NaCl (MW 58.44) should you use to make a 500 ml of a 0.64 M solution?
How many grams of Na3PO4 (MW = 164 g/mol) are needed to make 282.3 mL of solution that is 0.200 M sodium?
How many grams of the solute NaCl are dissolved in 250.0 mL of a 12.5 % (m/v) NaCl solution? A. 31.3 g B. 20.0 g C. 3.13 g D. 12.5 g
PLEASE ANSWER ALL 10. What volume of 14N H2SO4 is needed to make 500 mL of 3.2M H2SO4 solution? 11. A solution contains 40 g of solute dissolved in 0.5 L of water. What is the percentage of this solution? 12. How many mL of 4M H2SO4 are required to make 1.5L of 0.5M acid? 13. 100mL of 8% NaCl solution contains g of NaCl 14. A liter of 0.95% solution of NaCl contains g of NaCl 15. 2500mL of...
How many grams of NaCl (1 molar mass = 58.44 g/mol) are required to make 350 mL of a 1.25 M NaCl solution
How many moles of benzaldehyde (density d = 1.04 g/ml), (molecular weight mw = 106.12 g/mol) are required to react with 1.0 ml of acetone: (density d = 0.79 g/ml), (molecular weight mw = 58.08 g/mol)? 6. What is approximate theoretical yield for problem # 5 if you obtained 2.1 grams of dibenzylidene acetone (mw = 234.29 g/mol)?
A concentrated solution of potassium chloride contains 15% KCl (MW = 74.5 g/mol). How many milliequivalents of potassium are present in a 200 mL bottle? Assume that complete disassociation of KCl occurs. How is this worked? Answer is 403
(1) How much amount (in milligrams) of riboflavin (MW=376.4 g/mol) you will need to prepare a 6.4x10-4M stock solution in 10 ml volume? (2) How much volume of the above stock solution will you need to prepare the riboflavin solutions of following concentrations: a. 0.059 mM in 25 ml b. 14 uM in 25 ml
Acepromazine is available in a 100mL vial that contains 10mg /mL if 1 mL of acepromazine is diluted 1:100 , how many milligrams are in 5 mL of the diluted solution
12. Molarity, M, is defined as A. moles of solute dissolved in 1 mol of solvent. B. moles of solute dissolved in 1 kg of solvent. C. moles of solute dissolved in 1 L of solvent. D. moles of solute dissolved in 1 L of solution. E. moles of solute dissolved in the solution. 13. What volume of 2.50 M NaOH (40.00 g/mol) contains 0.100 mole of NaOH? A. 0.250 L D. 0.250 mL B. 40.0 mL E. 0.0400 mL...