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proporcja:
11,2 dm³ ----------xat NH₃
22,4 dm³----------4*6,02*10²³
x=12,04*10²³ at NH³
2)
MH₂S=32+2=34g/mol
MS=32g/mol
33,6 dm³----------xg S
22,4 dm³----------32g
x=48g siarki
3)
MNH₃=14+3=17g/mol
34g----------xdm³
17g----------22,4dm³
x=44,8 dm³