QuestionMay 17, 2025

8. Which solution is the most concentrated? a kg=200;mL=100 b g=20;mL=100 C. kg=20;mL=1 d g=2000;mL=10

8. Which solution is the most concentrated? a kg=200;mL=100 b g=20;mL=100 C. kg=20;mL=1 d g=2000;mL=10
8. Which solution is the most concentrated? a kg=200;mL=100 b g=20;mL=100 C. kg=20;mL=1 d g=2000;mL=10

Solution
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Answer

C. kg=20;mL=1 Explanation 1. Convert all masses to grams a) 200 \text{ kg} = 200,000 \text{ g}; b) 20 \text{ g}; c) 20 \text{ kg} = 20,000 \text{ g}; d) 2000 \text{ g}. 2. Calculate concentration in \frac{\text{g}}{\text{mL}} a) \frac{200,000}{100} = 2000 \frac{\text{g}}{\text{mL}}; b) \frac{20}{100} = 0.2 \frac{\text{g}}{\text{mL}}; c) \frac{20,000}{1} = 20,000 \frac{\text{g}}{\text{mL}}; d) \frac{2000}{10} = 200 \frac{\text{g}}{\text{mL}}. 3. Compare concentrations The highest concentration is 20,000 \frac{\text{g}}{\text{mL}} for option c.

Explanation

1. Convert all masses to grams<br /> a) $200 \text{ kg} = 200,000 \text{ g}$; b) $20 \text{ g}$; c) $20 \text{ kg} = 20,000 \text{ g}$; d) $2000 \text{ g}$.<br /><br />2. Calculate concentration in $\frac{\text{g}}{\text{mL}}$<br /> a) $\frac{200,000}{100} = 2000 \frac{\text{g}}{\text{mL}}$; b) $\frac{20}{100} = 0.2 \frac{\text{g}}{\text{mL}}$; c) $\frac{20,000}{1} = 20,000 \frac{\text{g}}{\text{mL}}$; d) $\frac{2000}{10} = 200 \frac{\text{g}}{\text{mL}}$.<br /><br />3. Compare concentrations<br /> The highest concentration is $20,000 \frac{\text{g}}{\text{mL}}$ for option c.
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