How many pounds of Acid Per inch?

If you have a tank that’s 51ft 0 in. long by 4ft 7 in. wide, and need to fill it to the two inch mark with hydrochloric acid, how many pounds are you putting in it? (Hint 1 gallon of acid weights 9.8 lbs.

2 answers

1 US gallon = 0.133680556 cubic feet

Find volume in cubic feet, multiply by above to get gallons, then multiply that by 9.8.
Thanks