Question

A lg mixture of CaCO3 and Cao is reduced to yield 0.6 g of metallic calcium. Determine the percent composition
of the original mixture. (Ca = 40 u)
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Answer 1

Answer:

5.6%

Explanation:

Ca = 40 u

original mixture = 40 -6 = 34

now divide 34 by 6

= 5.6%