" (i) Phosphorus molecule "10^(23)" number of nitrogen atoms? (Atomic mass of "N=14u" ) "

Calculate the mass of 3.011 xx 10^(24) molecules of nitrogen gas (N_(2)) . (Atomic mass : N = 14 u )

What is the mass of 'u' of (a) 1 mole of nitrogen atoms (b) 4 moles of aluminium atoms (iii) 10 moles of sodiu sulphate (d) 5 moles of calcium cabronate. ("Atomic mass of N"=14u, Al=27u, Na=23u, S=32u, O=16u, Ca=40u, C=12u

What mass of nitrogen, N_(2) , will contain the same number of molecules as 1.8 g of water, H_(2)O ? (Atomic masses : N = 14 u , H = 1 u , O = 16 u )

Calculate number of atoms in each of the following (Average atomic mass : N = 14 u,S=32 u) 0.4 mole of nitrogen

What is the mass of : (a) 1 mole of nitrogen atoms ? (b) 4 moles of aluminium atoms ? (c ) 10 moles of sodium sulphate (Na_(2)SO_(3)) ? (Atomic masses : N = 14 u, Al = 27 u , Na = 23 u , S = 32 u and O = 16 u )

Calculate the mass of 1.2044 xx 10^(23) molecules of O_(2) ("Atomic mass of O"=16u) .

Calculate (a) Mass of 2.5 gram atoms of magnesium, (b) Gram atoms in 1.4 grams of nitrogen (Atomic mass : Mg = 24,N=14 )

Calculate number of atoms in each of the following (Average atomic mass : N = 14 u,S=32 u) 1.6 g of sulphur

Molecular mass of HNO_3 (Atomic masses of H=1U, N=14U, O=16U)-