Answered

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How much CaCl2, in grams, is needed to make 2.0 L of a 3.5M solution?

Sagot :

find the number of moles: 2•3.5=7 moles

and do dimensional analysis. to convert moles of solution to moles of cacl2 and moles of cacl2 to grams of cacl2 (molar mass)
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