Answer to Question #88703 in General Chemistry for Mia Garcia

General Chemistry

Question #88703

How many grams of Ca(NO3)2 are needed to make 25.0 g of a 15.0% Ca(NO3)2(aq)?

Expert's answer

100g contains 15g Ca(NO₃)₂; 25g contains ?g Ca(NO₃)₂

"m(Ca(NO3)2)= \\dfrac{25g*15g}{100g}=3.75g"

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