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What is meant by the relative atomic mass of an element?
How heavy an atom of an element is compared to an atom of carbon-12.
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How do you find out the relative atomic mass?
On the periodic table, the bigger number of an element is the relative atomic mass.
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How do you find out the relative formula mass of a compound?
You add the all of the relative atomic masses together.
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How do you find out the number of moles of a substance?
Number of moles = mass(in g)/relative formula mass(Mr).
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How do you calculate the % mass of an element in a compound?
percentage mass of an element in a compound = relative atomic mass(Ar)/relative formula mass(Mr) x 100.
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How do you find the empirical formula?
1) List all of the elements in the compound
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Card 2

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How do you find out the relative atomic mass?

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On the periodic table, the bigger number of an element is the relative atomic mass.

Card 3

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How do you find out the relative formula mass of a compound?

Back

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Card 4

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How do you find out the number of moles of a substance?

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Card 5

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How do you calculate the % mass of an element in a compound?

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