An inorganic compound , 9.81 g Zn

CHEMISTRY · Subjective · A Level · Chemistry · Amount of substance · Amount of substance

Problem

An inorganic compound

ZnCr_2O_x

, 9.81 g Zn,

1.8 \times 10^{23}

atoms of Cr and 0.6 g-atom of O. The value of

x

is .....

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