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The initial level of water in a burette was 32cm² Same 20 drops of water each of volume 0.4cm cuned find its final reading



User Santhosh S
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Final answer:

To find the final reading in a burette after adding water, multiply the number of drops by the volume of each drop and add this to the initial reading. For 20 drops of 0.4 cm³ each, the total addition is 8 cm³, which gives a final reading of 40 cm³ when added to the initial volume of 32 cm³.

Step-by-step explanation:

To calculate the final reading of water in a burette after adding 20 drops of water each with a volume of 0.4 cm³, we first need to find the total volume of water added. Since there are 20 drops, and each drop is 0.4 cm³, the total volume added is:

20 drops

×

0.4 cm³/drop

=

8 cm³

.

The initial level of water in the burette was 32 cm². To find the final reading, we add the volume of water added to the initial volume:

32 cm²

+

8 cm³

=

40 cm²

.

Therefore, the final reading on the burette would be 40 cm². It's important to note that burettes provide measurements in milliliters (mL), and typically the term cm² is used for area, not volume. Hence, the student might refer to cm³ instead, which is the correct unit for volume. However, assuming the intended unit is volume and not area, the correct final reading, in this case, would be given in cm³ or mL.

User Cammy
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