karankhatri291 karankhatri291

12-04-2022
Chemistry

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A susbtance has an empirical formula of CrO2 and a molecular weight of 168 g/mol. determine the molecualr formula for this substance

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13-04-2022

Answer:

[tex]Cr_{2} O_{4}[/tex]

Explanation:

[tex]\frac{molecular weight}{molar mass}[/tex] = [tex]\frac{168}{83.99}[/tex] = 2.00

[tex]CrO_{2}[/tex] x 2 = [tex]Cr_{2} O_{4}[/tex]

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