Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: what is the no. of moles present in 100gram of pottacium dicromate
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arun-rashi (1128)

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moleculer mass of K2Cr2O7 is 294 so we can say that if 294 is equal to one mole so 100 gram is equal to 100/294
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