Calculate the no. of moles of phosphorus in 92.9 g of phosphorus assuming that molecular formula of phosphorus is 'P_4'. Also calculate the no. of atoms and mólecules of phosphorus in the sample.

Calculate the number of atoms present in 1.4 g of N_2 molecule.

Nitrogen exists as diatomic molecule and phosphorus as 'P4'. Why?

The molecular formula of ammonium sulphate is (NH_4)_2SO_4 : Calculate the number of molecules and atoms in 1.32g of ammonium sulphate.

The molecular mass of methane (CH_4) is 16: Calculate the number of mole molecules in 160g of CH_4 ?

Calculate the no. of moles in 220g CO_2 Hint: Atomic mass (C=12,0=16)

One mole of an ideal gas occupies 22.4L at STP. Calculate the number of atoms present in the above sample.

Calculate the number of moles of iron in a sample containing '1.0 xx 10^(22)' atoms.

The number of hydrogen atoms attached to phosphorus atom in hypophosphorus acid is

It is found that in 11.2 litres of any gaseous compound of phosphorus at NTP, there is never less than 15.5 g of P. Also, this volume of the vapour of phosphorus itself at NTP weighs 62 g. What should be the atomic weight and molecular weight of phosphorus?

Find out the GMM of the following. Also find out the total number of atoms: 7.75 g phosphorus (P_2)