Question

To 90.0mL of a solution that contains 0.100M Cr(NO3)2 and 0.490M HNO3 is added 30.0mL of 0.170M K2Cr2O7. The dichromate and chromium(II) ions react to give chromium(III) ions.

Write a balanced net ionic equation for the reaction.

Answer 1

$$CLPBRD$$Cr@Sub{2}O@Sub{7}@Sup{2-}(aq)→Cr@Sup{3+}(aq)