Overview
1. If your tap water pH is 8, then is your tap water acidic, basic, or neutral?
2. If your tap water pH is 8, then what is the hydrogen ion concentration?
3. If you have a solution with hydrogen ion concentration of 0.2280 M, then what would be the pH?
Type your answer to the hundredths' place only (up to two digits after the dot).
4. If you have a solution with hydroxide ion ( OH- ) concentration of 0.1690 M, then what would be the pH?
Type your answer to the thousandths' place (three digits after the dot)
5. If your tap water pH is 8, what is the hydroxide ion concentration
6. If the inside of your stomach as a pH of 1.890, then what is the hydrogen ion concentration there?
Type your answer to the ten-thousandths' place, please (four digits after the dot).
7. The pH of blood in a living human body is about 7.4
Which answer has the correct significant figures?