Chemistry, 27.05.2021 01:00 baidentheodore617
B) The student then does the titration correctly.
He finds that 16.70 cm3 of the dilute sulfuric acid neutralises 25.0 cm3 of sodium hydroxide solution of concentration 0.200 mol/dm3
The equation for the reaction is
2NaOH + H2SO4 → Na2SO4 + 2H2O
i) Calculate the number of moles of sodium hydroxide.
Answers: 3
Chemistry, 23.06.2019 14:00
Fill in the blanks for the following statements: the rms speed of the molecules in a sample of h2 gas at 300 k will be times larger than the rms speed of o2 molecules at the same temperature, and the ratio µrms (h2) / µrms (o2) with increasing temperature.
Answers: 1
Chemistry, 23.06.2019 16:30
Which of the following subject areas contains questions that can be answered by science? alchemy ethics forensics politics
Answers: 2
Chemistry, 23.06.2019 19:00
Freya built a model of the earth, sun, and moon. freya can cause her model to move in three different ways. she can turn the crank to model how the earth revolves around the sun, she can spin the globe to model how the earth rotates on its axis, and she can push the moon with her fingers to model how the moon revolves around the earth. how could freya best use her model to demonstrate the cause of the day/night cycle on earth?
Answers: 1
B) The student then does the titration correctly.
He finds that 16.70 cm3 of the dilute sulfuric ac...
Mathematics, 23.03.2020 17:58