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chemistry HELP DRBOB

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Calculate the sodium ion concentration when 80.0 mL of 4.5 M sodium carbonate is added to 30.0 mL of 1.0 M sodium bicarbonate.


how do i solve this I don't really know where to begin..

is there a formula for finding concentration because we don't learn this in class we basically teach ourselves

thanks!

  • chemistry HELP DRBOB - ,

    The concn unit you have been using, which is moles/L or molarity, is what you use for this. Calculate the moles Na ion from Na2CO3, then calculate Na ion from NaHCO3, add the moles together, then divide by the total volume and you have will molarity of Na ion in the solution.

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