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  3. 1) cr2o7^2- (aq) + no2^-(aq) -> cr^3+(aq) + no3

1) Cr2O7^2- (aq) + NO2^-(aq) -> Cr^3+(aq) + NO3^-(aq) Whats the coefficient of water after balancing...

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Chemistry

1) Cr2O7^2- (aq) + NO2^-(aq) -> Cr^3+(aq) + NO3^-(aq)

Whats the coefficient of water after balancing redox rxn, whichin acidic solution?

2) Which solution will increase molar solubility of CuCO3(Ksp=2.3*10^-10) at 298K? (Ksp of Cu(OH)2 is 2.2*10^-20)

HCl, NaOH, Na2CO3

I seriously have no idea with this problem please explain withdetails thank you so much

Answer & Explanation Solved by verified expert
4.5 Ratings (997 Votes)
1 The initial reactant is acidic in nature The balancedequation and explanation is given below2 The CuCO3 is basic in    See Answer
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