Question

Calculate the numbers of moles of 2.4g of He​

Answer 1

Explanation:

• Calculate number of mole of 2.4g of He
• 1 mole of Helium weighs 4 gram.
• So, X gram weighs 2.4 gram.
• X = 2.4/4.
• X = 0. 6 moles.

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Answer 2

Answer:

we have a mole of helium is equals to the mass divided by molar mass, which is 2.4 grams,divided by 4 grams per mole.Molar here is equals 2.69 moles of helium