Calculate the mass percent (m/m) of a solution prepared by dissolving 55.84 g of nacl in 152.7 g of h2o.

Question

Chemistry

Juliette Levy

24 July, 17:31

Calculate the mass percent (m/m) of a solution prepared by dissolving 55.84 g of nacl in 152.7 g of h2o.

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Kamden Pruitt · Answer 1

M (NaCl) = 55.84 g

m (H₂O) = 157.2 g

m (solution) = m (NaCl) + m (H₂O)

w (NaCl) = 100m (NaCl) / m (solution) = 100m (NaCl) / (m (NaCl) + m (H₂O))

w (NaCl) = 100*55.84 / (55.84+152.7) = 26.78%