Question

A solution of specific gravity 1.6 is 67 percent weight by weight

Answer 1

Answer:

29.77

A solution of specific gravity 1.6 is 67 present weight by weight.

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Answer 2

Explanation:

Consider 100 mL of Solution 67% by weight 

∴ Wt. of Solution = 100 x 1.6 = 160 g

Now suppose X g of H2O added in it Wt. of new Solution = (160 + X) g 

Also volume of new Solution = (100 + X) mL 

∴ Wt. of new Solution = (100 + X) x 1.2 g = (120 +1.2 X)g 

∴160 +X = (120 + 1.2 X) g or X = 200 mL or 200g

∴ % by weight of new Solution