Quiz: Understanding Relative Formula Mass (Mr)
AQA GCSE Chemistry (8462)
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Building on what you've learned about the Law of Conservation of Mass and balancing chemical equations, let's test your knowledge of understanding relative formula mass (Mr)!
What does Relative Formula Mass (Mr) represent?
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The Relative Formula Mass (Mr) is calculated by adding together the relative atomic masses of all the {{blank0}} in a compound.
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What is the relative formula mass (Mr) of H2O? (Hint: H = 1, O = 16)
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Match the items on the left with their correct pairs on the right
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Which formula is used to calculate the Relative Formula Mass (Mr) of NaCl?
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Which of the following compounds have a Relative Formula Mass of 58.5? (Select all that apply)
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To find the Relative Formula Mass of a compound, you add the relative atomic masses of all the elements using the periodic table. For example, the Mr of CO2 is 12 + 2 × {{blank0}} = {{blank1}}.
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Calculate the relative formula mass (Mr) of CaCO3 (Ca = 40, C = 12, O = 16).
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Match the items on the left with their correct pairs on the right
Why is the Relative Formula Mass (Mr) useful in chemistry?
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