Question

How many moles in 28g of nitrogen atom?​

Answer 1

2 moles....... Hope it help

Answer 2

1 mole of Nitrogen is 14 grams

No. of moles present in 28g will be 28/14 =2 moles

since 1 mole of nitrogen contains 6.022* 10^{23} atoms

∴ 2 moles of Nitrogen have 6.022* 10^{23} *2

= 12.044* 10^{23} atoms

28g of nitorgen=12.044*10^{23} atoms

HOPE IT IS USEFUL