Chemistry, asked by prasa007, 5 days ago

calculte the number of mole in 20 kg of helium??

Answers

Answered by binakhila

1

Explanation:

5.00 moles

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Answered by uchhabra49

1

Answer:

molar mass of helium = 4u.

given mass of helium =20000 grams.

no. of moles = given mass /molar mass.

= 20000/4

= 500 moles.

Explanation:

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