Solutions, Read Off the Bench

Compare four real solutions side by side, and see what concentration does and does not tell you about pH.

7 questions, free, marked as you go with a worked explanation on every one.

What this covers

Use the table. Two solutions have the same concentration but very different pH. What does that tell you?
Use the table. What is the hydrogen ion concentration of the hydrochloric acid, in mol/L?
Use the table. Which solution is basic?
Use the table. Which of these statements does the data support?
Use the table. How many moles of sodium hydroxide are in 250 mL of that solution?
Use the table. The hydrochloric acid is diluted to one tenth of its listed concentration. What is its new pH?
What volume of a 2.0 mol/L stock solution do you need to make 500 mL of a 0.10 mol/L solution?