Chemistry, 30.11.2019 08:31, minecrafter3882

Asolid (a) is soluble in water to the extent of 1g per 100ml of water at room temperature and 10g per 100ml of water at the boiling point. how would you obtain pure a from a mixture of 10g of a,1g of impurity b (b has the same solubility in water as a) and 0.1g of impurity c (c is insoluble in water)? how many grams of pure a could be obtained after one recrystallization from water? how much pure a could be obtained, after one recrystallization, from a mixture of 10g of a,9g of b and 8g of c?

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 07:40, sadcase85

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na, so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

Answers: 1

continue

Chemistry, 22.06.2019 13:50, kelonmazon2492

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

Answers: 3

continue

Chemistry, 22.06.2019 14:30, Giabear23

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize

Answers: 3

continue

Chemistry, 22.06.2019 16:00, ceciliaxo

What is true for a substance that releases energy

Answers: 2

continue

Do you know the correct answer?

Asolid (a) is soluble in water to the extent of 1g per 100ml of water at room temperature and 10g pe...