2. A rubbing alcohol has a % v/v concentration of 70%, how much isopropyl alcohol was dissolved in the
solution?
3. A rum is rated 50 proof. Assuming 750mL solution, how much ethyl alcohol (solute) does this drink
contain? Assuming no other contents, how much water was used?
4. Suppose you like to dilute a 500mL acetic acid solution (vinegar) having 0.6M to 0.2M, how much water
should be added?
5. What is the approximate molarity, molality and normality of a 13% w/w solution of H2SO4 (SG=1.090)? To
what volume should 100mL of the acid be diluted in order to prepare 1.50N solution?
6. Air is generally composed of 21% oxygen and 79% nitrogen. Compute for their mole fractions in a 1kg
sample solution.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
