Answer to Question #99458 in General Chemistry for Mike

Question

S(s)+4KNO3(s)+7C(s) ---> K2S(s)+K2CO3(s)+2N2(g)+3CO(g)+3CO2(g) ΔH=-1688,2 kJ
Measure while burning gunpowder released gas mixture average molar mass.

Answer 1

M = (28•2+28•3+44•3)/8 = 34 g/mol