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5 votes
5 votes
How many moles are in 90g of NaOH

User Zahra Shahrouzi
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1 Answer

11 votes
11 votes

So,

To find the number of moles in 90g of NaOH, what we do is to divide the given amount by the molar mass of NaOH.

The molar mass of NaOH is 40g/mol.

So,


(90gNaOH)/((40gNaOH)/(mol))=2.25\text{ moles of NaOH}

Therefore, the correct answer is A. 2.25moles

User Thenickname
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