Complete the following table for a selection of foods: Food [H3O+] [OH-] PH Apple juice Soy milk Tuna (canned) 7.0 x 10-7M 3.80 Acidic, basic, or neutral? neutral Part A Calculate the [H3O+] of apple juice with pH = 3.80. Express the molarity to two significant figures. 15| ΑΣΦ [H3O+] = Submit Part B Calculate the [OH-] of apple juice with pH = 3.80. Express the molarity to two significant figures. VE ΑΣΦ [OH-] = Request Answer Submeld ? ? M M

Calculate either [H,O*] or [OH-] for each of the solutions at 25 °C. Solution A: [OH] = 2.97 x 107 M; [H,0¹] = Solution B: [H₂O+] 8.37 x 10° M. [OH-] = Solution C: [H, 0+1=7.51 x 10 M: [OH-] = Which of these solutions are basic at 25 "C? M M M

Part A    If the pH of Solution 1 is 11.90, what is [H3O+]? Express your answer to two significant figures. Part B   If the pH of Solution 1 is 11.90, what is [OH−]? Express your answer to two significant figures.   Part D Solution 2 is a neutral solution. What is [H3O+] of Solution 2? Express your answer to two significant figures.   Part E If the solution is neutral, what is [OH−]? Express your answer to two significant figures.   Part G For Solution 3, if [H3O+] in the solution is 1.7×10−12M, what is [OH−] for this solution? Express your answer to two significant figures.   Part H f [H3O+] in Solution 3 is 1.7×10−12M, what is the pH for this solution? Express your answer using two decimal places.   Part I If [H3O+] in Solution 3 is 1.7×10−12M, is Solution 3 acidic, basic, or neutral

What is the pH of a 0.200 M solution of HCOOH? Ka of HCOOH = 1.8 × 10−4