Chemistry
21.09.2020 19:18
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A student measures the mass of a sample as 9.64 g. Calculate the percentage error,

A student measures the mass of a sample as 9.64 g. Calculate the percentage error, given that the correct mass is 9.80 g.
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jmonee
jmonee
4,5(51 marks)
The answer is 1.63 %

Explanation:

The percentage error of a certain measurement can be found by using the formula

P(\%) =  \frac{error}{actual \:  \: number}  \times 100\% \\

From the question

actual mass = 9.80 g

error = 9.80 - 9.64 = 0.16

We have

p(\%) =  \frac{0.16}{9.80}  \times 100 \\  = 1.632653061...

We have the final answer as

1.63 %

Hope this helps you

k11kiki
k11kiki
4,5(99 marks)
No it does it, you should a little canola oil. That will make it cook a little faster. Don't add to much though.

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