i need help i cnt figure this out and the / means divide Block a: 65.14kg before: 100L after: 103.38L 100L - 103.38L = /65.14kg Block B: 0.64kg before: 100L after:101L 100L - 101L = /0.64kg Block c: 4.08kg before: 100L after: 105.83L 100L – 105.83L = /4.08kg Block D: 3.10kg before: 100L after: 103.38L 100L – 103.38L= /3.10kg Block E: 3.53kg before: 100L after: 101L 100L – 101L = /3.53kg

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles