Question

Find the ratio by mass of combining elements in i) Magnesium oxide and ii) Hydrogen sulphide. [ Given Atomic mass of magnesium = 24u, oxygen = 16u, sulphur = 32u, hydrogen = 1u]

Answer 1

The ratio by mass of the combining element in

I. Magnesium oxide- 3:2

2. hydrogen sulphide  - 1:16

Explanation:

• the ratio of mass of the combining elements is used to calculate the mass of the ratio of each of the constituent elements that make up a compound.

• It is useful in the calculation of the amount of substances that will be liberated by a chemical reaction. it also helps us in identifying the types and the amount of reactance that are required for a chemical

To know more,

what is the ratio by mass of combining elements in H2O and NH3 ...

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