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Solution: Calculate the amount of water (in grams) that must
Chapter 12, Problem 12.16(choose chapter or problem)
Calculate the amount of water (in grams) that must be added to (a) 5.00 g of urea (NH2)2CO in the preparation of a 16.2 percent by mass solution, and (b) 26.2 g of MgCl2 in the preparation of a 1.5 percent by mass solution.
Questions & Answers
QUESTION:
Calculate the amount of water (in grams) that must be added to (a) 5.00 g of urea (NH2)2CO in the preparation of a 16.2 percent by mass solution, and (b) 26.2 g of MgCl2 in the preparation of a 1.5 percent by mass solution.
ANSWER:Step 1 of 6
Percent by Mass: The parameter of concentration that describes the solute present in 100 grams of a given solution is called percent by mass. The mass of solvent is calculated by subtracting the mass of solute from the mass of the solution.