In 350 g of water, 60 g of table salt was dissolved. What is the mass fraction of salt in the resulting solution?

m (H2O) = 350 g
m (NaCl) = 60 g
to find: w (NaCl)
m solution (NaCl) = 350 g + 60 g = 410 g
w (NaCl) = 60 g: 410 g = 0.14 * 100% = 14%
answer: 14%

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