Answer the following: A. 1. What is the percent by mass if 8.0g copper is added to enough zinc to produce 100g an alloy?
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Answer:
Percent by mass = 8.0%
Explanation:
Solve for the percent by mass of copper in an alloy.
Note: An alloy is a solid solution. Brass is an alloy of copper and zinc. Copper is the solute and zinc is the solvent.
• Percent by mass = (mass solute / mass solution) × 100
• Percent by mass = (8.0 g / 100 g) × 100
• Percent by mass = 8.0%