The pH of 1.5 M CH3COOH(aq) is 2.28. What is the value of Ka for
CH3COOH?
A) 2.7 x 10-6
B) 1.3 x 10-3
C) 0.037
D) 1.8 x 10-5
E) 1.8 x 10-6

Si una estrella no tiene paralaje medible, ¿qué puedes inferir?

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons

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.