The number of moles in 72 gram H₂O is 3.942 MOL.
What are moles?
The mole is a SI unit of measurement that is used to calculate the quantity of any substance.
First, know the molar mass of water.
The given mass is 71 gram
[tex]\rm Number\;of \;moles= \dfrac{mass}{molar\;mass}\\\\\rm Number\;of \;moles= \dfrac{71}{18.01}= 3.942 mol[/tex]
Thus, the number of moles in 72 gram H₂O is 3.942 MOL.
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