1.4
4.
8 L x L
2NH3=N2+3H2
2 mol 1mol
x=8*1/2=4 L
5.
H3PO4+3KOH=K3PO4+3H2O
3H(+)+PO4(3-)+3K(+)+3OH(-)=3K(+)+PO4(3-)+3H2O
3H(+)+3OH(-)=3H2O
H3PO4+NH3=(NH4)3PO4
6.
2.24 L x g
NH3 + HCl= NH4Cl
22.4 L 53.5 g
x=2.24*53.5/22.4=5.35g
wпракт.=5/5.35=0.93 или 93%