Calculate (a) the number of grams of solute in 0.250 L of 0.175 M KBr, (b) the molar concentration of a solution containing 14.75 g of Ca(NO3)2 in 1.375 L, (c) the volume of 1.50 M Na3PO4 in milliliters that contains 2.50 g of solute.
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