- 2 A 0 136 G Sample Of An Unknown Metal X Reacted With Excess Hydrochloric Acid According To The Following Balanced Ch 1 (25.27 KiB) Viewed 41 times
2. A 0.136 g sample of an unknown metal (X) reacted with excess hydrochloric acid according to the following balanced ch
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2. A 0.136 g sample of an unknown metal (X) reacted with excess hydrochloric acid according to the following balanced ch
2. A 0.136 g sample of an unknown metal (X) reacted with excess hydrochloric acid according to the following balanced chemical reaction: 2X(s) + 6 HCl(aq) → 2XCl(aq) + 3H-(g) The volume of hydrogen gas collected over water was 90.5 ml at 200 and a barometric pressure of 756 mmHg. Determine the atomic mass of the unknown metal Use the Periodic Table of elements to identify the metal.
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