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10-04-2018
Chemistry

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How many grams of cacl2 are present in 25ml of a 0.500m solution?

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kenmyna kenmyna

19-04-2018

The grams of cacl2 are presented in 25 ml of a 0.500 M solution is calculated as follows

find the number of moles

moles= molarity x volume/1000

= 0.500 x25 /1000 =0.0125 moles

mass = moles x molar mass of cacl2

= 0.0125 mol x 111.1 g/mol =1.389 grams

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