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Mathematics, 22.04.2021 03:10 Naomi7021

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

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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 6...
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