# college chemistry

posted by .

Calculate the equilibrium concentration of H3O+ in the solution if the initial concentration of C6H5COOH is 6.0×10^-2. Kc=6.3 *10^-5

• college chemistry -

This is benzoic acid; let's call it HBz
..............HBz ==> H^+ + Bz^-
initial......0.06.....0......0
change........-x.......x.....x
equil.......0.06-x.....x.....x

K + (H^+)(Bz^-)/(HBz)
Substitute and solve for (H^+).

## Similar Questions

1. ### Chem

Methylaime, CH3NH2. If a 0.100 mol/L solution of methyamine has a pH of 11.80, calculate the ionization constant for the weak base. What is an ionization constant. Is it just K?
2. ### Chem

Estimate the equilibrium constant for the weak base (CH3)2NH, if a 1.59×10-2 M aqueous solution of (CH3)2NH has a pOH 2.58 (make an exact calculation assuming that initial concentration is not equal to the equilibrium concentration). …
3. ### college chemistry

Calculate the [CH3NH3+] of a 7.02×10-3 M solution of the weak base CH3NH2 (make an approximate calculation assuming that initial concentration is equal to the equilibrium concentration). Round your answer to 3 significant digits. …
4. ### chemistry

Using the concentration of CH3COOH (0.8326M) and the equilibrium concentration of H3O+ (OJ = 31.6x10^-6 and milk = 3.16x10^-8), complete the reaction table for vinegar. Then calculate the acidity constant. Please show all work in solving …
5. ### Chemistry(Please respond, thank you)

The ionization constant of HA is 4.0e-4. Using the ice table what is the equilibrium concentration of HA in terms of its initial concentration and x?
6. ### chemistry

Calculate the equilibrium constant for the weak base C5H5N, if a solution of the base with an initial concentration of 5.74×10-3 M has a [C5H5NH+] of 0.00000283 M (make an approximate calculation assuming that initial concentration …
7. ### Chemistry Help

I have no idea where to begin with this??
8. ### Chemistry

At 2000 ∘C the equilibrium constant for the reaction 2NO(g)←−→N2(g)+O2(g) is Kc=2.4×103. The initial concentration of NO is 0.220M . What is the equilibrium concentration of NO?
9. ### Chemistry

Using the concentration of CH3COOH (0.8326M) and the equilibrium concentration of H3O+ (3.2x10-3), complete the reaction table for vinegar. Then calculate the acidity constant. Reaction table is given Ch3COOH + H2O --CH3COO- + H3O+ …
10. ### Chemistry

What are the equilibrium concentrations of all the solute species in a 0.95 M solution of hydrogen cyanide, HCN?

More Similar Questions