CH-721
Surface area
Chemistry · Secondary 3 · Hard · Surface area
The reaction between magnesium and dilute hydrochloric acid is:
.
Which change will increase the rate of reaction without changing the amount of hydrogen gas produced?
.
Which change will increase the rate of reaction without changing the amount of hydrogen gas produced?
- Using powdered magnesium instead of a large strip.
- Using twice the volume of acid of the same concentration.
- Adding water to dilute the acid to half its concentration.
- Removing half of the magnesium before starting the reaction.
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