As it acidic buffer.by adding acid it reacts with base and
Lower pH slightly
(B) is correct option
A 1 liter solution contains 0.416 M hydrofluoric acid and 0.312 M sodium fluoride. Addition of...
A 1 liter solution contains 0.495 M hydrofluoric acid and 0.371 M sodium fluoride. Addition of 0.408 moles of hydrobromic acid will: (Assume that the volume does not change upon the addition of hydrobromic acid.) A. Raise the pH slightly B.Lower the pH slightly C. Raise the pH by several units D. Lower the pH by several units E. Not change the pH F. Exceed the buffer capacity
A 1 liter solution contains 0.284 M hydrofluoric acid and 0.379 M sodium fluoride. Addition of 0.313 moles of barium hydroxide will: (Assume that the volume does not change upon the addition of barium hydroxide.) Raise the pH slightly Lower the pH slightly Raise the pH by several units Lower the pH by several units Not change the pH Exceed the buffer capacity A 1 liter solution contains 0.363 M nitrous acid and 0.272 M potassium nitrite. Addition of 0.299...
A 1 liter solution contains 0.244 M hydrofluoric acid and 0.325 M sodium fluoride. Addition of 0.061 moles of calcium hydroxide will: (Assume that the volume does not change upon the addition of calcium hydroxide.) Raise the pH slightly Lower the pH slightly Raise the pH by several units Lower the pH by several units Not change the pH Exceed the buffer capacity
A 1 liter solution contains 0.428 M hydrofluoric acid and 0.571 M potassium fluoride. Addition of 0.107 moles of barium hydroxide will: (Assume that the volume does not change upon the addition of barium hydroxide.) choose all that apply. - Raise the pH slightly - Lower the pH slightly - Raise the pH by several units - Lower the pH by several units - Not change the pH - Exceed the buffer capacity
A 1 liter solution contains 0.288 M nitrous acid and 0.384 M potassium nitrite. Addition of 0.317 moles of sodium hydroxide will: (Assume that the volume does not change upon the addition of sodium hydroxide.) Raise the pH slightly Lower the pH slightly Raise the pH by several units Lower the pH by several units Not change the pH Exceed the buffer capacity A 1 liter solution contains 0.554 M hypochlorous acid and 0.416 M potassium hypochlorite. Addition of 0.457...
A1 liter solution contains 0.350 M acetic acid and 0.263 M potassium acetate Addition of 0.289 moles of hydrobromic acid will: (Assume that the volume does not change upon the addition of hydrobromic acid.) Raise the pH slightly Lower the pH slightly Raise the pH by several units |Lower the pH by several units |Not change the pH Exceed the buffer capacity Submit Answer Retry Entire Group 9 more group attempts remaining A 1 liter solution contains 0.443 M hypochlorous...
A 1 liter solution contains 0.370 M hydrocyanic acid and 0.493 M sodium cyanide. Addition of 0.407 moles of barium hydroxide will: (Assume that the volume does not change upon the addition of barium hydroxide.) Raise the pH slightly Lower the pH slightly Raise the pH by several units Lower the pH by several units Not change the pH Exceed the buffer capacity Submit Answer Retry Entire Group 8 more group attempts remaining A 1 liter solution contains 0.371 M...
A 1 liter solution contains 0.329 M acetic acid and 0.247 M sodium acetate. Addition of 0.271 moles of nitric acid will: (Assume that the volume does not change upon the addition of nitric acid.) Raise the pH slightly Lower the pH slightly Raise the pH by several units Lower the pH by several units Not change the pH Exceed the buffer capacity
A 1 liter solution contains 0.230 M nitrous acid and 0.306 M sodium nitrite. Addition of 0.057 moles of barium hydroxide will: (Assume that the volume does not change upon the addition of barium hydroxide.) Raise the pH slightly Lower the pH slightly Raise the pH by several units Lower the pH by several units Not change the pH Exceed the buffer capacity
39) A 1 liter solution contains 0.311 M acetic acid and 0.414 M sodium acetate. Addition of 0.078 moles of calcium hydroxide will: (Assume that the volume does not change upon the addition of calcium hydroxide.) Raise the pH slightly Lower the pH slightly Raise the pH by several units Lower the pH by several units Not change the pH Exceed the buffer capacity