Answered

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How many moles of water are there in 45 g of water?
a) 1.0 moles
b) 1.5 moles
c) 2.0 moles
d) 2.5 moles

Sagot :

zoestout247

Answer:

d

Explanation:

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D because the molar mass of H2O is 18.02 g/mol. You do this by adding the AMU of each element. 45/18.02 = approx. 2.5 moles.
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