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A level chemistry problem on quantitation

Thread starter bullit21
Start date Aug 22, 2023

Aug 22, 2023

bullit21

Hello, hopefully someone can help me with this chemistry question at A level please?
I used the ideal gas equation to get the number of moles. I then tried to determine the molar mass of the compound.
I'm not sure where to go from here to determine the actual metal. The answer is supposed to be D but really, I need a worked out explanation to show me why it is D.
Thank you for any advice!!

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