Calculate the total number of neutrons present in 1 mole of C-14.

Open in App

Solution

Step 1 : Determine the number of neutrons in 1 atom of C-14 from the mass number and atomic number.

Mass number (A) of C-14 atom = 14
Atomic number (Z) of C-14 atom = number of protons = 6
Number of neutrons in one atom of C-14 = M-Z = 14-6 = 8

Step 2 : Calculate the total number of neutrons in 1 mole by using Avogadro number

1 mole of C-14contains Avogadro number of atoms of C-14 = 6.022 × 10²³
Therefore, number of neutrons in 1 mole of C-14 = 8 × 6.022 × 10²³ = 4.7 × 10²⁴

Suggest Corrections

Similar questions

Q. If the sum of the total number of protons and neutrons in in a pure sample of

M g C l_{2}

1.132 \times 10^{26}

then calculate the total number of moles of chlorine atoms present in the sample.
(consider all

C l

atoms to be

C l - 35

)

Q. 1.Calculate the number of electrons and neutrons present in ²⁷Al_13.

Calculate the total number of electrons present in one mole of methane.

Find (a) the total number and (b) the total mass of neutrons in 7 mg of 14C. (Assume that mass of a neutron = 1.675 × $10^{- 27}$ kg).

Find (a) the total number and (b) the total mass of protons in 34 mg of $N H_{3}$ at STP. Will the answer change if the temperature and pressure are changed?

Q. At

0.821

atm pressure and

177^{o} C

temperature, the gas

S O_{3}

occupies

45

L volume. Calculate the number of moles of neutrons present in

S O_{3}

Q. Calculate the number of electrons, protons and neutrons in

1

mole of

^{16} O^{- 2}

ions.

Join BYJU'S Learning Program