已知：O2(g) = O2+(g)+e－ 
H1=" +1175.7" kJ·mol-1
PtF6－(g) =PtF6(g)+e－ H2=" +771.1" kJ·mol-1
O2+(g)+PtF6－(g) =O2PtF6(S) H3=" -482.2" kJ·mol-1
则反应O2(g)+PtF6(g) = O2PtF6 (s)的H是
| A．77.6 kJ | B．-77.6 kJ·mol-1 | C．+77.6kJ·mol-1 | D．-886.8kJ·mol-1 |
已知：O2(g) = O2+(g)+e－ H1=" +1175.7" kJ·mol-1
PtF6－(g) =PtF6(g)+e－ H2=" +771.1" kJ·mol-1
O2+(g)+PtF6－(g) =O2PtF6(S) H3=" -482.2" kJ·mol-1
则反应O2(g)+PtF6(g) = O2PtF6 (s)的H是
| A．77.6 kJ | B．-77.6 kJ·mol-1 | C．+77.6kJ·mol-1 | D．-886.8kJ·mol-1 |
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