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Chemistry OCR A
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Amount of substance

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Question 12

0.62 g of element $X\text{X}$ is reacted with 0.80 g of $O2\text{O}_2$ to form an oxide with the formula $X2O5\text{X}_2\text{O}_5$ .

What is the identity of element $X\text{X}$ ?

Nitrogen

Phosphorus

Vanadium

Arsenic

Amount of substance Questions

A Level
Chemistry
Amount of substance