What is the equivalent weight of hydride of metal if equivalent weight of its oxide is 20?

Explanation

To find the equivalent weight of the hydride of a metal given that the equivalent weight of its oxide is 20, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Concept of Equivalent Weight**:
The equivalent weight of a compound is defined as the mass of the compound that combines with or displaces 1 mole of hydrogen or 8 grams of oxygen.

2. **Write the Expression for Equivalent Weight of Metal Oxide**:
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