Question

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3. A compound of Pottasium, chromium ond o contains
26.6% of Ko and 38% of oxygen. If molan maass of
% is o 294 gmott. Calculate it's empinical formular​

Answer 1

Answer:

consider100gof the compound

Explanation:

moles of k=26.6/3.8=0.7

Moles of Cr=36.4/52=0.68

moles of oxygen=38.1/16=2.38

empirical formula=K2Cr2O7