Question

Ten milliliters of phenolphthalein was transferred in a burette. What is the measured volume of the substances in the burette if its computed percentage error is 0.82%?

Answer 1

Error = $\frac{10×0.82}{100}=0.082ml$

Hence measured volume = $10+0.082= 10.082ml$

Or

$10-0.082=9.918ml$