Q.8 How many moles are present in 40 g of He? * 1 point A)10 moles B) 11 moles C)13moles D)12 moles

Q.8 How many moles are present in 40 g of He? * 1 point A)10 moles B)

1.	Q.8 How many moles are present in 40 g of He? * 1 point A)10 moles B) 11 moles C)13moles D)12 moles
Answer» anation:molar MASS= 4 gmass in gram=40 G NUMBER of MOLES= mass in grams/molar massso, 40/4= 10