# science

posted by it

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.

1. misha

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

## Similar Questions

1. ### Chemistry

NH3 + Pb(NO3)2 -> How can I find the product and the net ionic equation?
2. ### chemistry

Chromium metal can be plated onto an object from an acidic solution of dichromate ions. What average current is required to plate 17.8 g of chromium metal in a time of 2.20 h?
3. ### Ion charge & formulas of ionic compunds-DrBob222

These are the other questions: I'll start from Number 1. 1. I have to write down the symbol for the following ions: a- sodium = Na b- chloride = CL c- sulfate = S d- ammonium = ?
4. ### chemistry

Suppose 70.00 mL of a lithium hydroxide, LiOH, solution requires 55.42 mL of a 0.1050 M solution of propanoic acid, C2H5COOH, for neutralization. LiOH + C2H5COOH ® C2H5COOLi + H2O What is the concentration of the base solution?
5. ### chemistry

Four solution are prepared and mixed together: Start with 100.0ml of 0.100M BaCl2. Add 50.0ml of 0.100M AgNO3. Add 50.0ml of 0.100M H2So4. Add 250.0ml of 0.100M NH4. Write an equation for any reaction that occurs after each step and …
6. ### chemistry

2.) If you pass 10.0mL of a 50.0mL solution of [Co(en)2Cl2]Cl that has been reduced with Zn through a cation exchange column, you will obtain a solution that has three H+ ions for every Co3+ ion that was originally present in the sample. …
7. ### chemistry

2.) If you pass 10.0mL of a 50.0mL solution of [Co(en)2Cl2]Cl that has been reduced with Zn through a cation exchange column, you will obtain a solution that has three H+ ions for every Co3+ ion that was originally present in the sample. …
8. ### Chemistry

When an aqueous solution of sodium hydroxide, NaOH, is added to an aqueous solution of chromium(III) nitrate, Cr(NO3)3, a precipitate of chromium(III) hydroxide, Cr(OH)3, forms. Write a balanced net ionic equation for this reaction.
9. ### chemistry

When aqueous solutions of chromium(III) bromide and potassium phosphate are combined, solid chromium(III) phosphate and a solution of potassium bromide are formed. The net ionic equation for this reaction is:
10. ### Chem

A solution containing hydroxide ions will react with chlorine gas to produce chloride ions, gaseous oxygen, and water. Cl2(g) + 2e- → 2Cl-(aq) O2(g) + 2H2O(l) + 4e- → 4OH-(aq) Write a balanced net ionic equation for this reaction. …

More Similar Questions