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1. A solution is prepared by mixing 78mni of methyl alcohol in enough water to give the solution a final volume of 135ml. Find the percent by volume concentration of the solution
a.5896
c. 59%
b.57%
d. 56%
3. 15ml of benzene and sufficient carbon tetrachloride were mixed to make a 50ml solution. Determine the concentration of benzene in percent by volume.
a.31%
C. 25%
b. 30%
d. 28%
3. Calculate the percentage concentration of 20ml ethanol in 60ml solution.
a. 34%
b. 35%
c.33
d.36%​