How many moles of water H20 are present in 75.0 g of H2O

1.	How many moles of water H20 are present in 75.0 g of H2O
Answer» no. of MOLES = GIVEN mass / molecular massmolecular mass of H2O= 1*2+16=18uno. of moles = 75.0/18=4.16

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