Subjects chemistry

Percent Error 407Dfa

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Percent Error 407Dfa


1. **State the problem:** A chemist estimates the volume of a solution as 35 ml, but the actual volume is 33.4 ml. We need to find the absolute error and the percent error. 2. **Formulas:** - Absolute error is given by $$\text{Absolute error} = |\text{Estimated value} - \text{Actual value}|$$ - Percent error is given by $$\text{Percent error} = \left(\frac{\text{Absolute error}}{\text{Actual value}}\right) \times 100\%$$ 3. **Calculate absolute error:** $$|35 - 33.4| = 1.6$$ ml 4. **Calculate percent error:** $$\left(\frac{1.6}{33.4}\right) \times 100 = 4.79\%$$ Rounded to the nearest tenth: 4.8% **Final answers:** - Absolute error = 1.6 ml - Percent error = 4.8%