Thank you for visiting What is the mass percentage of 38 2 g of calamine in a 349 g solution Your answer should have three significant figures Provide your. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
Given that the mass of calamine is 38.2 g. Thus, the mass percentage of 38.2 g of calamine in a 349 g solution is 10.9%.
Mass percentage refers to the number of grams of solute present in the 100 grams of the solution. The formula for mass percentage is:$$\text{Mass Percentage} = \frac{\text{Mass of solute}}{\text{Mass of solution}} \times 100\%$$Given that the mass of calamine is 38.2 g.
The mass of the solution is 349 g, we can substitute these values into the formula:$$\text{Mass Percentage} = \frac{38.2}{349} \times 100\%$$Evaluating the right-hand side of this equation gives us:$$\text{Mass Percentage} = 0.109\text{ or }10.9\%$$.
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