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?

Question

bobpursley · Answer

Ca(NO3)2: nitrate ion .5M, so you have .05moles HNO3: nitrate ion, .1M, so you have .04moles Nitrate ion concentration=(.09)/.5L=.18M

alex · Answer

where did you get the .5M from? Ca(NO3)2 is .25M