Question

The mass of a proton is 1.67x10-27kg.how many proton make 1 mg.

Answer 1

Mass of proton

$\longmapsto\tt{(m) = 1.67×10^(-27) kg. }$

$\longmapsto\tt{N = 6x10^(23) (approx.) }$

Exact mass of proton gives

$\longmapsto\tt{N = 6.022 x 10^(23). }$

That is a very special no.

Answer 2

Answer:

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