Question #70cfb

1 Answer
May 16, 2017

10^(23) prot ons (order of magnitude, you asked)

Explanation:

If one proton has a mass of 1.67 xx 10^-27 kg, and there are 10^3 grams in one kilogram, one gram of protons contains

1 g((1kg)/(10^3g))((1 prot on)/(1.67 xx 10^(-27)kg)) = 6.00 xx 10^23 prot ons

and the order of magnitude is thus in 10^23