hitung mol atom atom F dalam 75,0 ml sampel halotana (d=1,871 gram/ml) . rumus molekul halotana =C2HBrClf3 .tolong di bantu ya
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Aristautami011111
Pertanyaan
hitung mol atom atom F dalam 75,0 ml sampel halotana (d=1,871 gram/ml) . rumus molekul halotana =C2HBrClf3 .tolong di bantu ya
1 Jawaban
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1. Jawaban AC88
d = m/v
1.871 = m/75
m = 140.325 gram
massa F = 3 . Ar F / Mr . massa C₂HBrClF₃ = 3 . 19 / 197.3815 . 140.325 = 40.523 gram
n F = 40.523 / 18.9984032 = 2.1329687328669811576585552200513 mol ⇒ Jawab
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