Question

1. What volume do the following number of
particles occupy at r.t.p?

(a) 3 x10^23 helium atoms (b) 6x 10^23
molecules of chlorine (c) 9 x 10^23 carbon dioxide
molecules (d) 6 x10^24 molecules of nitrogen (e
) 1.8 x 10^22 molecules of steam?

2. How many particles are there in the following
volumes of gases at r.tp?

(a) 2.4 dm^3 (b) 1.2 dm^3 of H2S (c) 6 dm^3
(d) 20 dm^3 of ammonia (e ) 36 dm^3 of H2

Answer 1

Answer:

17g (Molar Mass of NH3) -----22.4L ( at STP )

Ans = 3.4g ----- 22.4/17*3.4 = 4.48 L