There are 1.806x10^25 molecules of water (h20). how many moles of water does the sample contain?
a: 30.0 moles
b: 90.0 moles
c: 1.08 x 10^48 moles
d: 6.02 x 10^24 moles

Answer : The number of moles of water sample contains are, 30.0 moles

Explanation : Given,

Given molecules of water =

According to the mole concept,

As, molecules of water present in 1 mole of water.

So, molecules of water present in mole of water.

Therefore, the number of moles of water sample contains are, 30.0 moles

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