Physics, 05.03.2021 14:00 kileylynn

Copper(II) oxide reacts with dilute sulphuric acid according to the following equation. CuO + H2SO4 = CuSO4 + H2O
A student uses this reaction to prepare crystals of copper(II) sulphate.

(a) To make sure that the crystals are pure, an excess of copper(II) oxide must be used

(i) Explain why an excess of copper(II) oxide must be used to ensure purity of the
crystals.

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 00:00, briannwosu8606

Why is metal often used for cooking pan?

Answers: 2

continue

Physics, 22.06.2019 08:30, tyrece15

You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm

Answers: 2

continue

Physics, 22.06.2019 11:30, joThompson

4. a 75.0 g piece of ag metal is heated to and dropped into 50.0 g of water at the final temperature of the mixture is what is the specific heat capacity of silver? 5. a 465 g chunk of iron is removed from petrucci, ralph h.. general chemistry (p. 290). pearson education. kindle edition.

Answers: 3

continue

Physics, 22.06.2019 18:00, fathimasaynas2384

Newtons view of arrangement of the universe

Answers: 1

continue

You know the right answer?

Copper(II) oxide reacts with dilute sulphuric acid according to the following equation. CuO + H2SO4...