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A sample of 8.44 grams of NaOH is dissolved into 536 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is the...Asked by Cheyenne
A sample of 7.52 grams of Na OH is dissolved into 675 mL of aqueous M NaOH (assume no volume change). This solution is then poured into 1.95 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the final solution? Answer in units of M.
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Answered by
DrBob222
You omitted the molarity of the aqueous NaOH.
Answered by
Cheyenne
whoops..its 0.250 M NaOH
Answered by
DrBob222
Convert 7.52 g NaOH to moles. moles = grams/molar mass.
Convert the solution to moles. moles = M x L.
Add the moles to find total moles and divide by total volume (in liters which means you must convert 1.95 gallons to liters).
Convert the solution to moles. moles = M x L.
Add the moles to find total moles and divide by total volume (in liters which means you must convert 1.95 gallons to liters).
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