Suppose you had 5 gallons of sodium hydroxide solution which had a concentration of two pounds of soduium hydroxide per gallon. What is the total amount of sodium hydroxide?

5 x 2= 10

10 pounds.

To find the total amount of sodium hydroxide, you would multiply the concentration of sodium hydroxide per gallon by the total volume of the solution.

Given that the concentration of sodium hydroxide is 2 pounds per gallon, and the total volume of the solution is 5 gallons, you can multiply these two values together:

2 pounds/gallon * 5 gallons = 10 pounds

Therefore, the total amount of sodium hydroxide in the 5-gallon solution is 10 pounds.