Chemistry, 03.05.2021 01:00, jholbrook7643

Escaping from the haunted house, Anna ran home immediately to her chemistry lab back at the high school. After analysis of the gold heart, she found the heart was not composed of pure gold, but gold (III) oxide (Au2O3). What percentage (by mass) was gold in the heart? a) 10.9% Au c) 89.1% Au
b) 81.2% Au d) 92.9% Au

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Escaping from the haunted house, Anna ran home immediately to her chemistry lab back at the high sch...