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Solution: Question 3 What is the molality of 3.04 g of sodium nitrate in 12.19 g water? The molar mass of sodium nitrate is 84.99 g/mol. (Enter only the numerical answer.) Question 4 Calculate the percent water in a 1.28 molal solution of ammonium perchlorate (molar mass 117.49 g/mol).

Problem

Question 3 

What is the molality of 3.04 g of sodium nitrate in 12.19 g water? The molar mass of sodium nitrate is 84.99 g/mol. (Enter only the numerical answer.) 

Question 4 

Calculate the percent water in a 1.28 molal solution of ammonium perchlorate (molar mass 117.49 g/mol).

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