Asked by alex

A 100.0 mL portion of 0.250 M calium nitrate solution is mixed with 400.0 mL of .100M nitric acid solution. What is the final concentration of the nitrate ion?
Answered by bobpursley
Ca(NO3)2: nitrate ion .5M, so you have .05moles
HNO3: nitrate ion, .1M, so you have .04moles

Nitrate ion concentration=(.09)/.5L=.18M
Answered by alex
where did you get the .5M from?
Ca(NO3)2 is .25M
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