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I've been having trouble setting up word problems. Here is one problem I need help with.
How many Bromide ions are in a sample of CaBr2 that has a mass of 10.0g?

  • Chem -

    how many molecues of CaBr2 is in 10g?

    molecules: 10/molmassCaBr2 * avag number

    bromide ions, 2x the above number.

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