The gas obtained by decomposition of sodium hydride with water was passed over the heated copper (II) oxide. The mass of the solid residue decreased by 4 grams. Determine the mass of sodium hydride that reacted.

6 g r

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25 g r

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44 g r

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1 g r

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18 g r

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Solution

The correct option is A $6 g r$

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Similar questions

Sodium hydride reacts with water to yield:

C u

Pure Nitrogen can be obtained by passing ammonia vapours over heated copper (II) oxide $(C u O)$ .

5

600^{o}

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