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1. CO2 in solid form is called dry ice. You have a block of dry ice that weighs 500g. How many moles of CO2 molecules do you have?

  • chemistry -

    moles = grams/molar mass.

  • chemistry -

    thanks Dr Bob, Here is what i have come up with:
    44.0095g/mole (Mass)

    maybe I am correct?

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