Odpowiedzi

2010-03-20T12:29:39+01:00
2Na+Cl2-->2NaCl
H2+Cl2-->2HCl
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2010-03-20T12:35:59+01:00
2Na+Cl2 --> 2NaCl
H2+Cl2 --> 2HCl
masowo:
Na- 23 u
Cl-35u
H-1u

2Na+Cl2
2*23u+2*35u=116u
H2+Cl2
2*1u+2*35u=72u
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