Relative Masses

Calculations to do with relative atomic mass, relative formula mass and relative molecular mass.

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  • Created by: Sophie
  • Created on: 04-10-09 20:07
Calculate the relative atomic mass, Ar, of the following elements from the isotopic abundances: Gallium containing 60% 69Ga and 40% 71Ga.
Gallium 69.8
1 of 5
Use Ar values to calculate the Relative formula mass of Pb(NO3)2.
331.2
2 of 5
Calculate the relative atomic mass of silicon containing 92.18% 28Si, 4.71% 29Si and 3.11% 30Si.
Silicon 28.11
3 of 5
Use Ar values to calculate the relative formula mass of NH3
17.0
4 of 5
Is the relative formula mass of C6 H12 06, 180.0?
True
5 of 5

Other cards in this set

Card 2

Front

Use Ar values to calculate the Relative formula mass of Pb(NO3)2.

Back

331.2

Card 3

Front

Calculate the relative atomic mass of silicon containing 92.18% 28Si, 4.71% 29Si and 3.11% 30Si.

Back

Preview of the front of card 3

Card 4

Front

Use Ar values to calculate the relative formula mass of NH3

Back

Preview of the front of card 4

Card 5

Front

Is the relative formula mass of C6 H12 06, 180.0?

Back

Preview of the front of card 5

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