120 mL of 1.45 M sodium dihydrogen phosphate (NaH2PO4) is mixed with 280 mL of 0.987 M sodium hydrogen phosphate (Na2HPO4).?
a. What is the original pH of this buffer?
b. What is the pH of the buffer if 1.00 mL of 12 M HCl is added to the buffer from
c. What is the pH of the buffer is 1.00 mL Of 18 M NaOH is added to the buffer
from part (a)?
Calculate the pH of a buffer that contains 1.00 M hydrocyanic acid (HCN) and 0.60 M sodium cyanide (NaCN).?
a. What is the pH after 10 mL of 10.0 M NaOH is added to 1 L of this buffer.
a. What is the pH of this buffer if 0.142 mol of HCl is bubbled through the solution?