Waec Model Questions Vol1 2018 Chemistry Question 2

Practice practical question 2 from the 2018 Waec Model Questions Vol1 Chemistry examination. This question covers Periodic Table, Atomic Mass, Metal Oxides .

Waec Model Questions Vol1 2018 Chemistry Practical
Topics: Periodic Table Atomic Mass Metal Oxides
Question 2 WAEC_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • practical

A student was given an unknown metal oxide sample (MO) weighing 0.500 g. The sample was placed in a crucible and heated strongly until a constant mass was obtained. The final mass of the crucible with the residue (metal) was 0.300 g. The atomic mass of oxygen is 16.00 g·mol⁻¹. Using this information, answer the questions below.

Question Parts

( a )
Calculate the mass of oxygen that was lost on heating and determine the number of moles of oxygen removed.

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This is Waec Model Questions Vol1 2018 Chemistry Question 2. It is a practical question from the 2018 Waec Model Questions Vol1 Chemistry examination.

The question covers Periodic Table, Atomic Mass, Metal Oxides .

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