Calculate the pH for the following reaction: NaOH   +   HCO2H   --->   H2O   +   HCO2-   +   Na+   If you mix 2 grams of NaOH with 50 ml of .5M HCO2H, what will the final pH be?

3. Sodium benzoate, Na[C6H5COO], is soluble in water and is commonly used as a food preservative. If 4.7 g of the salt is dissolved to make 500. mL of solution, of the solution? (Benzoic acid is the name of the conjugate acid). 4.7 what is the pH Ans: 2.28 x 10-6M; 8.36

If you titrate 41.32ml of 6.4M NaOH with 21.34ml of 2.125M HCl, the resulting solution would still be basic.  HOw many moles of OH- are left in the solution and what is the new OH- concentration?

You add 7.00 mL of 0.100 M NaOH to 50.00 mL of pure water, and to this mixture you then add 12.00 mL of 0.800 M HCl. What will be the pH of the resulting solution?

What will be the pH of the solution when 12.0 mL of 0.400 M KOH is added to a 25 mL of 0.200 M HOCI solution? (for HOCI K, =3.0x10* )

98 grams of sodium acetate (Mol. wt =82 g/mol) were placed in 764 mL of water such that the final volume was 784 mL. What is the pH of the solution?

5. Formic acid is an organic acid, found in the venom of ants and bees. The diagram shows a molecule of formic acid dissociating in water. || H H H H H H a) Determine the dissociation constant of a 0.100 mol L-' formic acid solution that has a pH of 2.38. b) Use the dissociation constant calculated in part (a) to identify the strength of this acid.

A chemist makes a new solution: 1.0L of a solution that is both that is both 0.6 M NH; and 0.8 M NH,CI. What is the pH of the solution after 0.10 mol of NAOH is added? Round your answer to 2 decimal places. There is no change in volume upon addition of NaOH. pH =

What is the ph of the resulting solution if we mix 150 ml of .150N HPO4-2

Calculate the pH of the resting solution when 100mL of soln A has 50 mL of soln C added to it