Question

calculate the number of moles of helium which occupies 11.2 DM cube of volume​

Answer 1

Answer:

0.0005 moles

Explanation:

Given volume of He = 11.2 Dm cube = 11.2 ×$10^{-6}$ m cube =  11.2 ×$10^{-3}$ L

Molar volume of He = 22.4 L

Therefore, no. of moles of He in 11.2 Dm cube of He =  11.2 ×$10^{-3}$ L/22.4 = 0.0005 moles

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