calculate the pH for the excess ions that will be left when 23.2mL of 1.58M HCl added 18.9mL of 3.5M NaOH​

From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.

Gusing the milligrams of ascorbic acid you entered above, the ratio of total sample volume to aliquot volume, and the total milligrams of the vitamin c tablet that you dissolved, calculate the mass of ascorbic acid in the vitamin c tablet for each trial. do this by scaling up to find the amount (mg) of ascorbic acid in your 250 ml flask. enter your calculated mass of ascorbic acid in the vitamin c tablet, for each trial. be sure to enter your calculated mass in the corresponding order that you entered your milligrams of ascorbic acid. the milligrams of ascorbic acid you entered for entry #1 previously should correspond to the mass of ascorbic acid that you enter for entry #1 here.

What is the value of the standard enthalpy of formation of an element in its most stable form?