Recent content by bullit21

  1. bullit21

    A level Chemistry problem on quatities and moles

    Hello, please could someone show me the working of this - the answer is B but I am not sure how to achieve this answer! I know that metal oxide, Nitrogen Dioxide and Oxygen are formed but just need advice on the working please on how we obtain calcium. Thank you so much!
  2. bullit21

    A level chemistry problem on quantitation

    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...
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