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5,4 gram logam alumunium (Ar Al = 27) direaksikan dengan 24,5 gram H2SO4 (Ar H = 1, S = 32, dan O = 16). persamaan reaksinya:
2 Al(s) + 3 H2SO4(aq) → Al2(SO4)3(aq) + 3 H2(g)
tentukan:
a. pereaksi pembatas
b. mol pereaksi yang tersisa
c. volume gas H2 pada keadaan STP
Sagot :
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