Question

QUESTION 1:(6) A brass contains $ 70 \mathrm{wt} \% $ of copper and the rest zinc. a) Calculate the composition of the brass in atom $ \% $, b) Calculate the atom fractions of copper and zinc in the above brass. Atomic weights of copper and zinc are 63.54 and 65.38 respectively.

          QUESTION 1:(6)
A brass contains \( 70 \mathrm{wt} \% \) of copper and the rest zinc.
a) Calculate the composition of the brass in atom \( \% \),
b) Calculate the atom fractions of copper and zinc in the above brass. Atomic weights of copper and zinc are 63.54 and 65.38 respectively.

$QUESTION 1:(6) A brass contains 70 wt% of copper and the rest zinc. a) Calculate the composition of the brass in atom %, b) Calculate the atom fractions of copper and zinc in the above brass. Atomic weights of copper and zinc are 63.54 and 65.38 respectively.$

Added by Tammy J.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Bridger Johnston

Step 1

- Copper: $ 70 \, \text{wt} \% $ - Zinc: $ 30 \, \text{wt} \% $ (since the rest is zinc) Show more…

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QUESTION 1:(6) A brass contains $ 70 \mathrm{wt} \% $ of copper and the rest zinc. a) Calculate the composition of the brass in atom $ \% $, b) Calculate the atom fractions of copper and zinc in the above brass. Atomic weights of copper and zinc are 63.54 and 65.38 respectively.