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- What is the distance between G&R, G&L, R&L8.5gm/250ml = (x)gm/630mlQ.1. A solution of calcium phosphate in water contain 235 gms of CP per L at 30 deg c. The density of the substance at this temperature is 1.143 gm/cc. Calculate , composition in wt%, mole%,atomic % and volume%of water. Density of water 0.999 gm/cc.