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(a) calculate the mass of cacl2·6h2o needed to prepare 0.125 m cacl2(aq) by using 500. g of water. (b) what mass of niso4·6h2o must be dissolved in 500. g of water to produce 0.22 m niso4(aq)?
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(a) calculate the mass of cacl2·6h2o needed to prepare 0.125 m cacl2(aq) by using 500. g of water. (...
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