Determine the number of neutrons and their mass, present in 7 mg of `""_(6)^(14)C`. Assume that the mass of 1 neutron=mass of 1 H-atom.

Find (i) total number of neutrons, and (II) the total mass of neutrons in 7 mg of C""^(14) (assume that mass of neutron=mass of a hydrogen atom)

Find the total number of neutrons and Find the total mass of neutrons, in 7 mg of C^14 (Assume that mass of a neutron = 1.675 xx 10^-7 kg )

Find the total mass of 'neutrons in 7 mg of ""^(14)C.

Total mass of neutrons in 7 mg of .^(14)C is:

(i) Calculate the total number of electrons present in 1 mole of methane . (ii) Find (a) the total number and (b) the total mass of neutrons in 7 mg of .^(14) C . (Assume that mass of a neutron = 1 . 6 75 xx 10 ^(-27) g) (iii) Find (a) the total number of protons and (b) the total mass of protons in 32 mg of NH_3 at STP . ( mass of proton = 1 . 6 72 xx 10^(-27) g) Will the answer change if the temperature and pressure are changed ?

(i) Calculate the total number of electrons present in 1 mole of methane . (ii) Find (a) the total number and (b) the total mass of neutrons in 7 mg of .^(14) C . (Assume that mass of a neutron = 1 . 6 75 xx 10 ^(-27) g) (iii) Find (a) the total mnumber of protons and (b) the total mass fo protons in 32 mg of NH_3 at STP . ( mass of proton = 1 . 6 72 xx 10^(-27) g) Will the answer change if the temperature and pressure are changed ?

(i) Calculate the total number of electrons present in one mole of methane. (ii) Find (a) the total number and (b) the total mass of neutrons in 7 mg " of " ""^(14)C . (Assume that mass of a neutron = 1.675 xx 10^(-27) kg) . (iii) Find (a) the total number and (b) the total mass of protons in 34 kg of NH_3 at STP. Will the answer change if the temperature and pressure are changed?