a solution contains 20g of NaCl in 95cm^3 solution.the density of solution is 1.25g/ cm^3.What is the mass percent of NaCl?

Asked by bharti | 12th May, 2013, 08:36: PM

Expert Answer:

1 cm3 solutions has mass = 1.25g

95 cm3 have mass = 1.25 x 95 =118.75g

now 118.75 g of solution contains = 20 g of NaCl

100                     = 20 x 100 /118.75

                          =16.84%

Answered by  | 13th May, 2013, 10:50: AM

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