How many moles of ammonia occupy 480cm^3at r.t.p?(molar gas volume =24000cm^3)?

1 Answer
Meave60
Apr 26, 2018

#"0.020 mol NH"_3"# occupies #"480 cm"^3"# #"NH"_3"# at room temperature and pressure.

Explanation:

Divide the given moles of ammonia #("NH"_3")# by the molar volume at room temperature and pressure.

#(480color(red)cancel(color(black)("cm"))^3 "NH"_3)/(24000color(red)cancel(color(black)("cm"))^3"/"1"mol")="0.020 mol"# (rounded to two significant figures)

#"0.020 mol NH"_3"# occupies #"480 cm"^3"# #"NH"_3"# at room temperature and pressure.

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