Crucible

10.00 g

Crucible and hydrate before heating

15.32 g

Crucible and hydrate after first heating

15.10 g

Crucible and hydrate after second heating

14.65 g

Cindy and Blake performed and experiment in which they were evaporating water from a compound. Their teacher told them that the accepted value for the mass of water in the compound was 0.70 grams. Use the data from the table to calculate the percent error of their experiment.

A)

4.29%

B)

6.43%

C)

31.43%

D)

56.42%

Question

Raine

Physics

21 May, 12:14

Crucible

10.00 g

Crucible and hydrate before heating

15.32 g

Crucible and hydrate after first heating

15.10 g

Crucible and hydrate after second heating

14.65 g

Cindy and Blake performed and experiment in which they were evaporating water from a compound. Their teacher told them that the accepted value for the mass of water in the compound was 0.70 grams. Use the data from the table to calculate the percent error of their experiment.

A)

4.29%

B)

6.43%

C)

31.43%

D)

56.42%

+3

Answers (1)

Know the Answer?

Heidi Arroyo · Answer 1

A) 4.29%

Percentage error is 4.29%

Explanation:

From the experiment results;

The mass of water = 15.32 g - 14.65 g

= 0.67 g

Therefore;

The percentage error in the experiment will be given by;

= (0.7-0.67) / 0.7 * 100

= 0.03/0.7 * 100

= 4.29%