Odpowiedzi

2009-12-12T18:50:47+01:00
NaOH = 40u
Na - 23u
O - 16u
H - 1u
1 mol NaOH = 40g
0,1 mola NaOH = 0,4g
0,4g = 0,0001 mmol NaOH

FeS = 56u+32u=88u
1 mol FeS = 88g
0,088 kg = 1 mol
176 kg = x moli
x=2000 moli

2000 moli = 2 kilomole
1 2 1