berapa massa 7,84 L butana (C4 H 20) di STP.[C=12,H=1]
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Pertanyaan
berapa massa 7,84 L butana (C4 H 20) di STP.[C=12,H=1]
1 Jawaban
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1. Jawaban AgnesAgustine
Volume STP = n × 22,4
7,84 = n × 22,4
n = 0,35 mol
n = m / Mr
m = n × Mr
m = 0,35 × [ (4×12) + (20×1)]
m = 0,35 × 68
m = 23,8 gram