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How many items are present in the compound (NH4)2Cr2O7

How many items are present in the compound (NH4)2Cr2O7
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How many items are present in the compound (NH4)2Cr2O7

User Ayurchuk
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in 2Cr2O7 there’s 2 items; Cr and O
User Gautier Drusch
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User Mohan Seth
asked May 10, 2018 13.8k views
What mass of chromium (cr) is contained in 35.8 g of (nh4)2cr2o7 ?
Mohan Seth asked May 10, 2018
by Mohan Seth
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