Macromolecules/Solution-Making Pre-Lab

You’ve purchased a 12 ounce can of frozen orange juice concentrate at Kroger. The instructions tell you to mix the contents of the can (the frozen OJ) with 36 ounces of water (roughly 3 cans of water). Name the solvent in this scenario.

On average, sea water contains 33.0 g of sodium chloride (NaCl) per liter. Calculate the molarity of NaCl in sea water. MW= 58.452 g/mol

A 20% KCl solution should contain ___ grams of KCl in ___ milliliters of water

How many grams are in a 500 mL solution of 10% NaCl?

How many moles of Na2CO3 are there in 15.0 mL of a 5.00 M solution?

What is the molarity of 7.00 g of sodium hydroxide (NaOH) in a 750.0 mL solution? MW of NaOH = 40 g/mol

You perform a dilution by combining 100.0 mL volume of CaCl2 with 700.0 mL water. What is the dilution factor?

A 20.0 % NaCl solution is equivalent to mixing ________ of NaCl in 100.0 mL of water

Given a 35% solution of NaCl how many mL of this solution would be used to prepare 750.0 mL of a 14% NaCl solution?

A 10.0 mL sample of a 10.80 M NaCl solution is diluted to a final volume of 650.0 mL. What is the molarity of the final solution?