Answer:-
To calculate percentage error in chemistry, use the formula: [(|measured value – actual value|) / actual value] × 100. Start by subtracting the actual or accepted value from your measured value. Take the absolute value of the difference to avoid negative errors. Then divide by the actual value to get the relative error. Finally, multiply by 100 to express it as a percentage. This calculation helps assess the accuracy of your experimental results. A smaller percentage error means your measurement is closer to the true value. It's a simple but important way to evaluate reliability in chemistry experiments. 2/2
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