calculation equations

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Last updated 7:33 PM on 9/18/26
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11 Terms

1
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how many particles per mole?

6.02×10²³

2
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number of particles =

number of moles x Avogadro’s number

3
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equation linking Mr, moles and mass

moles = mass / Mr

4
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equation linking density, mass and volume

density = mass / volume

5
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define molar mass

the mass of one mole of a substance

6
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molar mass unit

g mol-1

7
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density unit

g cm-3

8
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for empirical formula, do you use the Mr or Ar?

Ar

9
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what is room temperature?

298K

10
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equation linking volume, moles and 24dm3

volume = moles x 24

11
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equation linking volume, moles and concentration

moles = volume x concentration