Average atomic mass problem?

aaron-shaw_60bd6cbee40b6aaron-shaw_60bd6cbee40b6
in Science & Mathematics

When M2S3(s) is heated in air, it is converted to MO2(s). A 3.500-g sample of M2S3(s) shows a decrease in mass of 0.275 g when it is heated in air. What is the average atomic mass of M?

Could you please show how you got to the answer? Thanks!!

Comments

  • buzzbuzz

    That is a very good question. Can you give any more clues for the average Joe?

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