A solution contains 40 g of glucose and 20 g of salt, in 500 ml of water. The mass percent of glucose is
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The solution contain 30g glucose , 20 g salt and 500g water(density of water = 1g/ml so 500ml= 500g)
Total weight of solution by mass = 30g + 20g + 500 g = 550g
Mass % of glucose = 30/ 550 *100 = 5.45 %
Mass % of salt = 20 /550 *100 = 3.63%
Explanation:
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