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= 2,6/52
= 0,05 mol
Reaksi : 2 Cr + 3 H2SO4 ---> Cr2(SO4)3 + 3 H2
perbandingan koefisien : 2 : 3 : 1 : 3
perbandingan mol : 0,05 mol : 0,05 x 3 : 0,05 x 1 : 0,05 x 3
2 2 2
: 0,05 mol : 0,075 mol : 0,025 mol : 0,075 mol
Vol gas H2 = n x vol mol
= 0,075 mol x 22,4
=1,68 liter
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