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How many coulombs of positive charge are there in 1.80 kg of plutonium, given that its atomic mass is 244 and each plutonium atom has 94 protons?

Answer :

Total positive charge in 1.80 kg of plutonium is 13365,04 x 10^4 C

Solution:

1 mole of plutonium = 244 gm

3.6 kg of plutonium = 3.6 x 1000 = 3600 gm

Number of moles = 3600/244 = 14.754 moles

One moles of plutonium contains protons 6.023 x 10^23 x 94

Total number of protons in 14.754 moles = 6.023 x 10^23 x 94 x 14.754

= 8353.15 x 10^23

Total Positive charge = 8353.15 x 10^23 x 1.6 x 10^-19

Total positive charge = 13365,04 x 10^4 C

What is moles?

The mole, represented by the symbol mol, is the fundamental SI unit of material quantity. The amount of a substance determines how many elementary entities of that substance are present in an object or sample. Since the SI fundamental units were revised in 2019, the mole is now exactly defined as 6.022140761023.

Why the mole is a base unit?

The amount of a substance determines how many elementary entities of that substance are present in an object or sample. Since the SI fundamental units were revised in 2019, the mole is now exactly defined as 6.022140761023.

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