Question

Q. A solution is prepared by dissolving
6.25 g urea in 90 g of water. Mass
percentage of urea and water is
(a) 6.11, 93.89 (b) 90.02, 9.98
(c) 5.72, 94.28 (d) 6.49, 93.51

Answer 1

Explanation:

weight of solution :6.25+90

                                = 96.25

mass percentage=( 6/96.25)*96.25

                            = 6 %

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