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= (6(-286) + 6(-394)) - (6(0) + 1(-1268)))
= -2812
45 gram glukosa = 0,25 mol
Diperoleh dari mol = gram/Mr
= 45/180
= 0,25 mol
ΔH = 0,25/1 x -2812 = -703 kJ
Maaf kalau slah :D
delta H = (-1.268) + (-394-286)
delta H = -1.268 - 680
= 588
lalu cari mol
n = gr/mr
n = 45/300
n = 0,15
delta H = Q/n
Q = delta H × n
Q = 88,2 kj
segitu yang ku dapat