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1. Fill in the Blank
2 minutes
1 pt
Find the relative molecular mass of $H_2SO_4$ .
2. Fill in the Blank
2 minutes
1 pt
Find the relative molecular mass of $\left(NH_4\right)_2CO_3$ . Give your answer to 1dp
3. Fill in the Blank
2 minutes
1 pt
Find the relative molecular mass of $MgCl_2$
Give your answer to 1dp
4. Fill in the Blank
2 minutes
1 pt
Find the relative molecular mass of $Fe\left(NO_3\right)_3$ . Give your answer to 1dp
5. Fill in the Blank
2 minutes
1 pt
Neon has 3 isotopes.
The percentage abundances of the isotopes are as follows:

Neon-20 90.92%,
Neon-21 0.26%
Neon-22 8.82%
Calculate the relative atomic mass of Neon
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