Answer:
The answer is 41.05 %
Step-by-step explanation:
The percentage error of a certain measurement can be found by using the formula
![P(\%) = (error)/(actual \: \: number) * 100\% \\](https://img.qammunity.org/2021/formulas/chemistry/high-school/q0zosffwg85xn9jdfzfbo353sezuv4qp22.png)
From the question we have
actual number = 0.95 g/mL
error = 0.95 - 0.56 = 0.39
We have
![p(\%) = (0.39)/(0.95) * 100 \\ = 41.0526315...](https://img.qammunity.org/2021/formulas/chemistry/high-school/txxr7eru1bm03q7f1et894tazmuer2zwse.png)
We have the final answer as
41.05 %
Hope this helps you