Lab: Acids and Bases Answers
Use Table B in your Student Guide to answer the questions about ion concentrations.
✔ pH = 6pH = 8pH = 14
increasedecrease✔ stay the same
Use the diagram of the solution and its key to answer the questions.
tomato juiceorange juice✔ gastric acid
red (left)purple (middle)✔ green (right)
12✔ 34
Which could be sources of error in the lab? Check all that apply.measurement of volumes when making the serial dilutionsapproximating the pH based on matching colors between pH papersmiscalculation of pH values using the reference tablesnot boiling the cabbage long enough or hot enough to make the indicator solutionusing distilled water to make your dilutions instead of sea water
✔ red (left)purple (middle)green (right)
two timesten timestwenty times✔ one hundred times
34✔ 56
red (left)✔ purple (middle)green (right)
✔ baking sodaammonia solutionbleach
2 times20 times100 times✔ 1,000 times
What type of solution is represented by the beaker? [___]
Use the diagram of the solution and its key to answer the questions.
Which image best represents a solution of distilled water at pH = 7?
Question text not available
0.0000000000001
Question text not available
4
Which could be sources of error in the lab? Check all that apply.measurement of volumes when making the serial dilutionsapproximating the pH based on matching colors between pH papersmiscalculation of pH values using the reference tablesnot boiling the cabbage long enough or hot enough to make the indicator solutionusing distilled water to make your dilutions instead of sea water
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