Chemistry- help

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1) How do I calculate what the mass would be for the flask containing water and alkaseltzer if:
-mass of flask and the 10ml of water equals 150.23g
-mass of alkaselzer equals 0.65g

Calculate the mass of the carbon dioxide gas if:
-mass of flask , water , and alkaseltzer remains at the end of the experiement equals 150.43g ( using the answer in #1)

Calculate the density of the carbon dioxide gas if:
- the volume of water added to the 250ml flask at the end of the experiement was 132.3ml

  • Chemistry- help -

    mass flask + H2O = 150.23
    mass alkaseltzer = 0.65g
    Total mass flask + H2O + alkaseltzer is
    150.23 + 0.65 = ?

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