Anew potential heart medicine, code-named x-281, is being testedby a pharmaceutical company, pharma-pill. as a research technicianat pharma-pill, you are told that x-281 is a monoprotic weak acid, but because of security concerns, the actual chemical formula mustremain top secret. the company is interested in the drug'sk_a value because only the dissociated form of the chemicalis active in preventing cholesterol buildup in arteries. to find the pka of x-281, you prepare a 0.084 \it m test solution of x-281. the ph of the solution isdetermined to be 2.40. what is the pka of x-281?