Neco 2022 Chemistry Question 1

Practice practical question 1 from the 2022 Neco Chemistry examination. This question covers Atomic Structure .

Neco 2022 Chemistry Practical

Topic: Atomic Structure

Question 1 NECO • 2022 • CHEMISTRY • practical

A student performed an experiment to determine the atomic mass of magnesium using the reaction with dilute hydrochloric acid. The following data were recorded:

( a )

Calculate the number of moles of hydrogen gas collected.

( b )

Using the stoichiometry of the reaction \(\text{Mg} + 2\text{HCl} \rightarrow \text{MgCl}_2 + \text{H}_2\), calculate the atomic mass of magnesium.

( c )

State two possible sources of error that could affect the result obtained for the atomic mass of magnesium.

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This is Neco 2022 Chemistry Question 1. It is one of the practical questions from the 2022 Neco Chemistry examination.

The question covers Atomic Structure .

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