Chemistry, 28.06.2020 22:01 cheergirl21
In an experiment, to determine the percentage purity of the hydrochloric acid, 25cm3 of the acid solution made by dissolving 25.5g of impure acid in a liter of solution was found to neutralize 25cm3 of 0.4M NaOH solution. Calculate a. Concentration of the acid in (i) g/dm3 (ii) mol/dm3 b. percentage purity of the acid c. percentage impurity of the acid d. What mass of impurities contained in 25.5g?
Answers: 3
Chemistry, 22.06.2019 00:00
The pressure in a fluid is affected by which characteristics of that fluid
Answers: 1
Chemistry, 22.06.2019 13:00
12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer
Answers: 3
Chemistry, 23.06.2019 01:00
Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released
Answers: 3
In an experiment, to determine the percentage purity of the hydrochloric acid, 25cm3 of the acid sol...
Mathematics, 18.11.2020 01:00
Law, 18.11.2020 01:00
Mathematics, 18.11.2020 01:00
Computers and Technology, 18.11.2020 01:00
Mathematics, 18.11.2020 01:00
Mathematics, 18.11.2020 01:00
English, 18.11.2020 01:00
History, 18.11.2020 01:00