# Chemistry

posted by .

0.194M NaOH and 0.268 M NH4CL Find concentration of OH

• Chemistry -

I would try this. Set up a RICE chart
R......OH^- + NH4^+ ==> NH3 + H2O\
I...0.194.....0.268......0......0
C..-0.194... -0.194....+0.194.....
E.....0.......0.074.....0.194

This ends up being a buffer of NH4Cl/NH3. All of the NaOH is used.
The Henderson-Hasselbalch equation will solve for pH and convert that to OH^-
pH = pKa + log(NH3(/(NH4^+)

• Chemistry -

Thanks got it!

## Similar Questions

1. ### Chemm

Find the OH- concentration of a solution that is 0.198 M NaOH and 0.262M NH4Cl. I did the ice table,using OH- from NaOH for an initial, and NH4 from the NH4Cl molecule, and ended with .20M. But that's not right apparently...
2. ### chemistry

assuming the reaction goes to completion, determine the final concentration of NH4Cl in the calorimeter. NH4Cl(s)+ H2O(l)-> NH4Cl(aq) concentration of NH4Cl is 1.00M its specific heat is 3.93 and density is g/ml. note: the exact …
3. ### Chemistry

Hi I have a question So I have to determine the final concentration of NH4Cl in a calorimeter assuming reaction goes to completion. Given Measurements are: -delta T = 9.25 degrees Celcius -Density of NH4Cl = 1.013 g/mol -capacity of …
4. ### chemistry

A definite amount of NH4cl was boiled with 100ml of 0.8N naoh for complete reaction. After the reaction, the reactant mixture containing excess of naoh was neutralized with 12.5ml of 0.75N nh2s04. Calculate the amount of nh4cl taken. …
5. ### chemistry

A definite amount of nh4cl was boiled with 100ml of 0.8N naoh for complete reaction. After the reaction, the reactant mixture containing excess of naoh was neutralized with 12.5ml of 0.75N nh2s04. Calculate the amount of nh4cl takedn …
6. ### chemistry

Assuming reaction goes to completion, determine the final concentration of NH4Cl in the calorimeter. heat capacity =3.03J/g.c density =1.012 5g of NH4Cl used 100 mL of water used NH4Cl(s) + H2O(l) --> NH4Cl(aq)
7. ### Chemistry

The reaction OH- + NH4+ = H20 + NH3 is kinetically first order in both reactants' concentrations. The rate constant is 2e10 1/M s. If 50 ml of .01 M NaOH is mixed with 50 ml of .01 M NH4CL, find the time required for the OH- concentration …
8. ### chemistry

Hi, Can anyone suggest a protocol for preparing 1 Litre ammonical solution (pH 7.8, NH4-N, 3000 mg/L) from NH4Cl and NaOH?
9. ### Chemistry

At 603 K, Kc for the reaction NH4Cl <===> NH3 + HCl is 0.011. What is the equilibrium concentration of NH3 if the initial concentration of NH4Cl is 0.500 M. Please help me with this question because i got 2 answers so prove me.
10. ### Chemistry

At 603 K, Kc for the reaction NH4Cl <===> NH3 + HCl is 0.011. What is the equilibrium concentration of NH3 if the initial concentration of NH4Cl is 0.500 M. Please help me with this question because i got 2 answers so prove me.

More Similar Questions