4. What is the percent by mass concentration of solution that contains 9.99g of sugar dissolved in
21.10g of water?
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4. What is the percent by mass concentration of solution that contains 9.99g of sugar dissolved in
21.10g of water?
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Given:
mass of solute = 9.99 g
mass of solvent = 21.10 g
Required:
percent by mass
Formula:
Solution:
Final Answer:
percent by mass = 32.1%
Explanation:
Given:
mass of solute = 9.99 g
mass of solvent = 21.10 g
Required:
percent by mass
Formula:
\text{percent by mass} = \dfrac{\text{mass of solute}}{\text{mass of solute + mass of solvent}} \times 100percent by mass=
mass of solute + mass of solvent
mass of solute
×100
Solution:
\text{percent by mass} = \dfrac{\text{9.99 g}}{\text{9.99 g + 21.10 g}} \times 100percent by mass=
9.99 g + 21.10 g
9.99 g
×100
Final Answer:
percent by mass = 32.1%
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