Question

How Many Moles are There in 12 grams of Helium?

Answer 1

Answer:You can view more details on each measurement unit: molecular weight of Helium or grams The molecular formula for Helium is He. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Helium, or 4.002602 grams.

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Answer 2

Question

How Many Moles are There in 12 grams of Helium?

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Answer:

Molar mass of He = 4 g

So, no. of moles = $\frac{Given \:\:mass\:\:of\:\:the\:\:element}{Molar\:\:mass\:\:of\:\:the\:\:element}$

So, given mass = 12g

Molar mass = 4 g

no. of moles = 12/4 = 3 moles

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