Calculating Mr

Q1: What the the Mr of CH4?

Incorrect.
Correct - carbon has a mass of 12, 4 hydrogens have a mass of 4 for a total of 16.
Incorrect.


Calculating Mr

Q2: Wat is the Mr of HF?

Incorrect.
Correct - 1 hydrogen has a mass of 1 and 1 fluorine has a mass of 19 for a total of 20.
Incorrect.


Calculating Mr

Q3: What is the Mr of CaCO3?

Afraid not.
Afraid not.
Well done!


Calculating Mr

Q4: What is the relative formula mass of HNO3?



Calculating Mr

Q5: What is the relative formula mass of C6H12O6?

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