mixtures according C. 6% Direction: Read each item carefully and encircle the letter of the correct answer * In a grade 7 Science Class, Andrew prepared a solution by mixing 25g of sugar in Bog of the concentrations of the solute and solvent in percent (%) by mass? a. Solute: 14%; Solvent: 86% c. Solute: 34%; Solvent 60% b. Solute: 24%; Solvent 76% d. Solute: 44%; Solvent 56% 2. How many parts of copper and gold needed to produce 18 Karat (K) jewelry? 18 parts is made up of copper and 6 parts is gold b. 18 parts is made up of gold and 6 parts is copper c. 18 parts is made up of gold and 9 parts is copper d. 18 parts of the Jewelry is made up of finest gold suited for the purpose 3. What is the percentage concentration in the following solution given that 5g sucrose in a. 4% b. 4% d. 7% 4. A beverage contains 3% alcohol which means that: a. The solution contains 3mL of alcohol in 97mL of water. b. The solution contains 30mL of alcohol in 70mL of water. c. The solution contains 300mL of alcohol in 700mL of water. d. The solution contains 100mL of alcohol in 100mL of water. 5. Sterling silver contains 95% silver. If a necklace made of sterling silver weighs 15g. silver dissolved in the necklace? a. 1.69 b. 6.2g c. 9.0g d. 14.25 6. What is the percent by volume of isopropanol in a 90ml solution that contains 25m a. 26.8% Isopropanol c. 27.8% isopropanol b. 26.9% isopropanol d. 27.9% isopropanol 7. What is the volume of a 20% methyl solution that contains 15mL of methyl? 5 ml of methyl​

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