Platforms
Molecular formula: H2SO4Empirical formula:
C2H6
A mover packs books, CDs, and DVDs into a moving box. If the box contains 6.5 kg of books, 1.5 kg of CDs, and 2.0 kg of DVDs, what is the percent by mass of each object in the box?Books: % of the mass
65
CDs: % of the mass
15
DVDs: % of the mass
20
g/mol
151.92 g/mol
126.14 g/mol
278.06 g/mol
%
45.4%
54.6%
A:
4
B:
10
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