36-40. Sterling silver contains 95% silver. If a necklace made of sterling
silver weighs 15g, what is the mass of silver dissolved in the necklace?
a. Given:
b. Unknown
c. Equation
d. Substitute
e. Solve
41-45. What is the percent by volume of isopropanol in a 90ml solution that contains 25mL
isopropanol?
Given:
b. Unknown
c. Equation
d. Substitute
e. Solve
46-50. What is the volume of a 20% methyl solution that contains 15mL of methyl?
Given:
b. Unknown
c. Equation
d. Substitute
e. Solve
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