What is the percent by volume of isopropyl alcohol in a solution that contains 45 ml of isopropyl alcohol in 1.4 L of water?

Hey there!

There are 1000 mL in a liter.

1.4 L + 0.045 L = 1.445 L

In total there is 1.445 L of the solution.

To find the percent of isopropyl alcohol, divide the amount of isopropyl alcohol by the total amount.

0.045 ÷ 1.445 = 0.0311

Convert to a percent.

3.11%

Hope this helps!  

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.