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2.2 (ii) Find (b) the total mass of neutrons in 7 mg of ¹⁴C. (Assume that mass of a neutron = 1.675 × 10 kg).

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As the mass of one neutron is $1.674\times10^{-27}kg$ .

Then the mass of total neutrons in 7grams of ¹⁴C:

$= (2.4088\times10^{21})(1.675\times10^{-27}kg) = 4.035\times10^{-6}kg$ .

Posted by

Divya Prakash Singh

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