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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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kincasdce123 kincasdce123
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3 months ago

When active metals such as magnesium are immersed in acid solution, hydrogen gas is evolved. Calculate the volume of H2(g) at 30.1°C and 0.85 atm that can be formed when 275 mL of 0.725 M HCl solution reacts with excess Mg to give hydrogen gas and aqueous magnesium chloride.

Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)

(R = 0.08206 L • atm/K • mol)



▸

3.4 × 10–3 L



▸ 2.2 L

▸ 2.9 L

▸ 5.8 L

▸ 11.7 L
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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studytimestudytime
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