In order to carry out this investigation i have decided to use marble chips which i will vary the sizes as powder small chips and large chips. Hydrochloric acid to react with the marble chips independent variable marble chips to react with the acid dependent variable stopwatch to accurately time the experiment spatula to handle the marble chips measuring cylinder to precisely measure out different concentrations of hydryochloric acid electric balance to measure the mass g of the marble chips bung. An investigation of the reaction between marble chips and hydrochloric acid.
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