`1mol` of `CH_(4)` contains
`6.02times10^(23)` atoms of `H`
`4g` atom of Hydrogen
`1.81times10^(23)` molecules of `CH_(4)`
`3.0g` of carbon

1 mol of CH_(4) contains

One mole of K_2SO_4 contains 5.02 xx 10^(23) potassium ions.

1.6g of CH_(4) contains same number of electrons as in :

Mass of one atom of an element is 4.64× 10^(−23) g. This is equal to :

Mass of one atom of an element is 6.64× 10^(−23) g. This is equal to :

One mole of any substance contains 6.022xx10^(23) atoms/molecules. Number of molecules of H_(2)SO_(4) present in 100mL of 0.02M H_2SO_(4) solution is

One mole of any substance contains 6.022xx10^(23) atoms/molecules. Number of molecules of H_(2)SO_(4) present in 100mL of 0.02M H_2SO_(4) solution is

The weight of a gaseous mixture containing 12.044 xx 10^(23) atoms of He and 3.011 xx 10^(23) molecules of hydrogen is _____________g.

A mole of any substance contains 6.023 xx 10^(23) particles. The particles may be atom, molecule ions, electron, proton or neutron. One mole of atom is equal to 1 gm -atom which is equal to atomic weight of atom. 1 gm molecule of any gas is 1 mole of gas whose volume is 22.4 litre at N.T.P. The volume of 3.011 xx 10^(23) atoms of hydrogen gas at N.T.P. is

A mole of any substance contains 6.023 xx 10^(23) particles. The particles may be atom, molecule ions, electron, proton or neutron. One mole of atom is equal to 1 gm -atom which is equal to atomic weight of atom. 1 gm molecule of any gas is 1 mole of gas whose volume is 22.4 litre at N.T.P. Mass of 1 atom of an element X_(2) is 6.64 xx 10^(-23)gm . Molecular weight of X_(2) is