Question

Find the number of protons in a sample of protons having mass 1 Kg.

please help!
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Answer 1

Answer:

n6 because number of protons 1 kg

Answer 2

Answer:

The mass of one proton is $1.67X 10^{-27}$ kg

So the number of protons which weigh 1 kg is simply the reciprocal of this.

It's value is $\frac{10^{27}}{1.67}$ = $5.98 X 10^{26}$ atoms.

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