11
AssignmentMultiple Choice

Lab: Measuring pH

Question 11 • Foothill-B Period-Chemistry-26/27B

Which is the best reason for using an Erlenmeyer flask instead of another piece of glassware while filtering the cabbage solution?

Answer
A
The Erlenmeyer flask is the only container that can hold a liquid.
B
The Erlenmeyer flask’s narrow mouth makes it easier to pour the solution.
C
The Erlenmeyer flask’s narrow mouth can support the funnel and prevent breakage.
D
The Erlenmeyer flask is the only glassware that will accommodate a filter funnel.

Explanation

During filtration, the funnel sits in the flask’s opening while the liquid drains into it. An Erlenmeyer flask’s narrow mouth helps hold the funnel steady, reducing the chance that it tips or breaks. The flask is not the only container that can hold liquid or fit a funnel, and a narrow mouth does not make pouring easier.

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