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 Form 3 Chemistry Questions and Answers on The Mole

When 0.048g of magnesium was reacted with excess dilute hydrochloric acid at room temperature and pressure, #50 cm^3# of hydrogen gas was collected. (Mg =24.0; Molar gas volume = #24.0dm^3# )
i).Draw a diagram of the apparatus used to carry out the experiment described above. ii).Write the equation for the reaction.
iii).Calculate the volume of the hydrogen gas collected. iv).Calculate the volume of 0.1M hydrochloric acid required to react with 0.048 g of magnesium. (KCSE 2017 paper 2 question 5.)

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