Question

What is molecular formula of a compound with composition 80% copper and 20% sulphur. (At. mass = 64 u, S = 32 u]

Answer 1

Answer:

A compound of carbon and hydrogen contains 92.3% C and has a molar mass of 78.1 g/mol. What is its molecular formula? Dichloroethane, a compound that is often used for dry cleaning, contains carbon, hydrogen, and chlorine. It has a molar mass of 99 g/mol.

Explanation:

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