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5 votes
QUESTION 2
How many moles of water, H20, are present in 25.0 g H20?

2 Answers

3 votes

Answer:

1.39 moles

Step-by-step explanation:

User Nuri Engin
by
4.3k points
4 votes

Answer:

No. moles = 0.74mol

Step-by-step explanation:

reacting mass = 25.0g molecular weight of water = 2(1) + 2(16) = 2 + 32 = 34g/mol

No. moles = reacting mass/molecular weight

No. moles = 25.0/34 = 0.74mol

User InfinitePrime
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