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12-01-2018
Chemistry

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caculate the number if moles of the following: 800. g of Ca

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kenmyna kenmyna

12-01-2018

mole is equal to mass of the element divided by molar mass of the element. that is
mole=mass/molar mass
From periodic table calcium has a molar mass of 40 g/mol
moles is therefore =800g/40g/mol=20moles

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