Question

Calculate the molality of 4.9% H2so4 ( molecular mass = 98)

Answer 1

Answer:

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Explanation:

4.7℅

Answer 2

Answer:

4.9% is understood as 4.9 g h2s04 in 100 solution.

100 - 4.9 = 95.1 g is solvent.

molality = 4.9/98 × 1000/95.1

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