Question
Download Solution PDFHow many moles are present in 60 g Helium of ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF- Number of grams of Helium (He) = 60 gm
- Molecular mass is the sum of total protons and neutrons.
- The molecular mass of Helium = 2 × 2 = 4
- Now multiply the mass with a number of elements we get = 4 × 1 = 4
- One mole is equal to the total mass of the molecule.
- We know one mole is equal to 4 gm of Helium molecule.
- Now a number of moles in 60 gm of Helium is (n) = 60/4
n = 15 moles
- The number of moles in 60 gm is 15 moles.
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