Answer in General Chemistry for amethyst grande #152623
March 17th, 2023
1.8 M citric acid (H3C6H5O7, MW = 192)
1.2 M sodium dihydrogen citrate (NaH2C6H5O7, MW = 214)
1.5 M sodium hydrogen citrate (Na2HC6H5O7, MW = 236)
0.8 M sodium citrate (Na3C6H5O7, MW = 258)
0.1 M HCl
0.1 M NaOH
distilled water
For citric acid, Ka1 = 7.4 x 10-4, Ka2 = 1.7 x 10-5, Ka3 = 4.0 x 10-7
2. D. 5 mL after equivalence point