1.

How many atoms are there in 1 gm of hydrogen?

Answer»

In 1gm of hydrogen is 1

we have formula no. of moles=given wt of atom/atomic wt of atom=> no. of moles = 1 /1=> no.of moles = 1now another formula is no. of moles = no. of atoms /avogadros constant

=> 1 = no. of atoms /6.022×10^23so no. of atoms in 1 gram of hydrogen = 6.022×10^23 atoms



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