Apurchasing director is looking for an economical replacement for the current supply of onions used at an onion dehydration plant. which of the following is the most economical source of onions?

a) onions at 10% dry matter, costing $100/ton

onions at 14% dry matter, costing $120/ton

onions at 16% dry matter, costing $200/ton

onions at 13% dry matter, costing $130/ton

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.