Question

Write the chemical formulae for the following compounds and find the ratio by mass of the combining elements in each one of them. (N = 14 u, H = 1 u, C = 12 u, O = 16 u, S = 32 u)
(a) Methane
(b) Carbon dioxide
(c) Hydrogen sulphide

Answer 1

Answer:

c) Hydrogen sulphide.

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Answer 2

Answer:

(c) Hydrogen sulphide

Explanation:

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