Chemistry Practice Problems Molality Practice Problems Solution: What mass (in g) of NH­ 3 must be dissolved in 475...

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Solution: What mass (in g) of NH­ 3 must be dissolved in 475 g of methanol to make a 0.250  m solution? a) 2.02 g   b) 4.94 g   c) 1.19 g   d) 8.42 g   e) 1.90 g

Problem

What mass (in g) of NH­ 3 must be dissolved in 475 g of methanol to make a 0.250  m solution?

a) 2.02 g
 

b) 4.94 g
 

c) 1.19 g
 

d) 8.42 g
 

e) 1.90 g