n=1 mol CH₄
n=m/M=>m=n*M=1 mol*16 g/mol=16 g CH₄
16 g CH₄...890 kJ
320 g CH₄...x
x=320 g*890 kJ/16 g=20*890 kJ=17800 kJ=17,8 MJ
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n=1 mol CH₄
n=m/M=>m=n*M=1 mol*16 g/mol=16 g CH₄
16 g CH₄...890 kJ
320 g CH₄...x
x=320 g*890 kJ/16 g=20*890 kJ=17800 kJ=17,8 MJ