IdeasCuriosas - Every Question Deserves an Answer Logo

In Chemistry / High School | 2014-04-14

What volume does 8.5 g of NH₃ occupy at STP?

A. 2.81 L
B. 5.61 L
C. 11.21 L
D. 22.41 L
E. 44.81 L

Asked by Creola997

Answer (1)

First, convert grams to moles by dividing 8.5 by the molar mass of NH₃ (N=14,H=1) 14+1+1+1=17 8.5/17=.5 moles NH₃ Multiply .5 by the conversion factor of moles to L (22.4) .5*22.4=11.2 L NH₃ 11.2 is just 11.21 rounded down, so your answer is C) 11.21 L

Answered by KDR | 2024-06-10