1. What is the concentration in percent mass/volume of 150 mL of solution containing 30 g of solute?
2. What is the percent by mass of 5.0 g of iron (II) sulfate dissolved in 75.0 g of water?
3. What is the percent by volume of a solution formed by mixing 25 mL of isopropanol with 45 mL of water?
2. What is the percent by mass of 5.0 g of iron (II) sulfate dissolved in 75.0 g of water?
3. What is the percent by volume of a solution formed by mixing 25 mL of isopropanol with 45 mL of water?
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Answer:
1. 30÷180×100=83.3
2. 5÷80×100= 6.25
3. 25÷70×100= 35.7
Explanation
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