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23 solutions

Diprotic Acid

Q. Nicotine, C10H14N2, is a base that will accept two protons (K1 = 7 × 10−7, K2 = 1.4 × 10−11). What is the concentration of each species present in a 0.050-M solution of nicotine?

Solved • Apr 4, 2019

Diprotic Acid

Q. What is the hydroxide-ion concentration in a 0.22 M solution of Na2CO3? For carbonic acid, Ka1 = 4.2 x 10–7 and Ka2 = 4.8 x 10–11

Solved • Mar 30, 2019

Diprotic Acid

Q. What is the hydroxide-ion concentration of a 0.250 M sodium oxalate (Na2C2O4) solution? For oxalic acid (H2C2O4), Ka1 = 5.6 x 10–2 and Ka2 = 5.1 x 10–5.

Solved • Mar 30, 2019

Diprotic Acid

Q. Please answer step by step An 2.2507 g sample oxalic acid (MW= 90.03 g/mol) is dissolved in water to make a 250.0 mL solution. GIven that Ka1 = 6.5x10-2, Ka2 = 6.1x10-5.

Solved • Mar 27, 2019

Diprotic Acid

Q. Determine the pH of a 0.18 M carbonic acid solution. Carbonic acid is a diprotic acid.

Solved • Mar 27, 2019

Diprotic Acid

Q. Please answer step by step Determine the Concentration of CO32- ions in a 0.18 M H2CO3 solution. Carbonic acid is a diprotic acid whose Ka1 = 4.3x10-7 and Ka2 = 5.6 x10-11

Solved • Mar 27, 2019

Diprotic Acid

Q. What is the concentration of H+ in a 0.150 M solution of the diprotic acid H2X? For H2X, Ka1=4.5×10−6 and Ka2=1.2×10−11.

Solved • Mar 24, 2019