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OpenStudy (bloodydiamond):
For each of these pairs of reaction conditions, indicate which has the faster rate of formation of hydrogen gas: a) sodium or potassium with water, b) magnesium or iron with 1.0 M HCl, c) magnesium rod or magnesium powder with 1.0 M HCl, d) magnesium with 0.10 M HCl or magnesium with 1.0 M HCl.
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OpenStudy (anonymous):
Potassium and Water
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