Mass of Proton is 1.67 x 10⁻²⁷ kg. How many protons would make one gram. (5.99 x 10²³ Protons)




Given:

Mass of Proton = m = 1.67 ｘ 10⁻²⁷ kg = 1.67 ｘ 10⁻²⁷ ｘ 10³ g = 1.67 ｘ 10⁻²⁴ g

To Find:

Numbers of Protons in one gram  = ?


Solution:

Using unitary method:

1.67 ｘ 10⁻²⁴ g  = 1 Protons

1 g = `\frac {1}{1.67 ｘ 10⁻²⁴ g} Protons

1 g = 5.988 ｘ 10²³ Protons  ------------------Ans.


Hence, 5.988 ｘ 10²³ NProtons would make one gram. 


Similar Questions:

Mass of neutron is 1.67 x 10⁻²⁷ kg. Calculate the number of neutrons in a piece of metal whose net mass is one gram. (5.99 x 10²³ Neutrons)



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