Mathematics, 22.04.2020 22:43 payshencec21

19) A 0.079 g sample of an unknown metal is dropped into hydrochloric acid and reacts to produce
66.0 mL of hydrogen gas at 22°C and 750 mm Hg. The vapor pressure of water at this temperature
is 18 mmHg. What is the unknown metal (X)?
2 X(s) + 6 HCl(aq) → 2 XCl3(aq) + 3 H2(g)
A) SC
B) Co
C) Fe
D) Al
E) Ga
Zu
Hai

Answers: 3

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19) A 0.079 g sample of an unknown metal is dropped into hydrochloric acid and reacts to produce

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