Chemistry, 30.03.2020 19:17 kahnerp6448

Calculate the amount of water (in grams) that must be added to each of the following substances to produce the indicated solution. (a) 1.90 g of urea (NH2)2CO in the preparation of a 20.6 percent by mass solution: g (b) 31.1 g of MgCl2 in the preparation of a 7.2 percent mass solution: g

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