Que quantidade em mols de permanganato de potássio KMnO4 está presente em 480 g desse sal? Dados (massa molar): K = 39, Mn = 55 e O =16.
A. 1,52 mol.
B. 6,08 mols.
C. 3,04 mols.
D. 2,50 mols.
E. 0,0303 mols.
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