Question

total number of atoms in 18g h²o

Answer 1

Hey

No.Of hydrogen atoms ==> 2

No.Of oxygen atoms. ==> 1

So total no.Of atoms. ==> 3



I hope it will help you

Thanks

Answer 2

A mole is a convenient counting unit whenever one is dealing with numbers of atoms or molecules. It is equal to Avogadro's number (NA), namely 6.022x1023. If we have one mole of water, then we know that it will have a mass of 2 grams (for 2 moles of H atoms) +16 grams (for one mole O atom) = 18 grams.


SO TOTAL NO OF ATOMS ARE==3

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