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09-06-2020
Chemistry

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What will the volume of a 3.8 M solution be if it contains 4.9 grams of calcium hydroxide?

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09-06-2020

Answer:

no of moles = volume in cm3 x concentration in mol/dm3 or M

1000

no of moles = mass

molar mass

mass

molar mass = vol x con

1000

molar mass of ca(oh)2 = 74 g/mol

4.9 = vol x 3.8

74. 1000

= 17.42 g

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