Question

1. After clamping a buret to a ring stand, you notice that the set-up is tippy and unstable. What should you do to stabilize the set-up?
A. Move the buret clamp to a ring stand with a larger base.
B. Hold the buret in place by hand during the titration.
C. Use a different size buret that is more stable in the set-up
D. Clamp another buret to the ring stand to balance out the set-up.

Answer 1

Answer:

A. Move the buret clamp to a ring stand with a larger base.

Explanation:

The ring stands are used to hold burettes, light in weight to avoid loss of stability, that is why it is necessary to change the size of the ring stand so that it can support the buret that we are going to use.  It is not recommended to balance it with the hand since it would give us an inaccurate result in the titration.

Answer 2

In order to stabilize the set-up, one has to move the buret clamp to a ring stand with a larger base.

• The ring stand or the retort stand simply means an equipment that is used in supporting other equipment and glassware such as test tubes, flasks and burettes.

• In this case, since the the set-up is tippy and unstable, then it's possible that the ring size doesn't fit and one will need to move the buret clamp to a ring stand that has a larger base.

In conclusion, the correct option is A.

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