How many moles does 205 g of helium,He, contain ?

asked Feb 4, 2022 27.7k views

3 votes

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6 votes

No. of moles = mass / relative molecular mass
n = m / Mr
n = 205 g / 4 g/mol
n = 51.25 mol

Balraj answered Feb 6, 2022

7.3k points

4 votes

Answer:

4.002602

Step-by-step explanation:

Seems Am Converting Between Grams Helium And Mole.

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