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comb of the 1. What is the percent by mass concentration of a solution that contains 30.0g of sugar dissolved in 150g of water? A. 16.5% B.16.7% C. 17.6% D. 17.7% pero 2. What is the volume of a 20% methyl solution that contains 15mL of methyl? A. 6 mL of methyl C. 5 mL of methyl B.4 ml of methyl D. 3mL of methyl 3. Sterling silver contains 95% silver. If a necklace made of sterling silver weighs 15g, what is the mass of the silver dissolved in the necklace? A. 1.6g B. 6.2g C. 9.0g D. 14.25g of to 4. . What is the percent by mass concentration of a solution that contains 6.0g of sugar dissolved in 20.7g of water? A.21.21% B.22.21% 0.22.47% D. 22.74% V i 19