Moles Sets Random Retrieval

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Moles Sets Random Retrieval

This quiz contains all the questions in the Moles Sets section. The website will pick 10 questions at random.

1 / 10

Barium hydroxide solution will neutralise hydrochloric acid according to the equation

Ba(OH)2+2HCl =>BaCl2+2H2O

If 20 cm3 of 2mol dm-3 HCl neutralises 100 cm3 of Ba(OH)2 solution, what is the concentration of the Ba(OH)2 solution?

2 / 10

Potassium hydroxide will neutralise nitric acid according to the equation

KOH+ HNO3=>KNO3+ H2O

0.5 litres of 1mol dm-3 KOH is neutralised by 1 litre of a solution of HNO3

What is the concentration of the HNO3?

 

3 / 10

Potassium hydroxide will neutralise nitric acid according to the equation

KOH+ HNO3=>KNO3+ H2O

What volume of 4mol dm-3 HNO3 will neutralise 80 cm3 of 1mol dm-3 KOH?

4 / 10

Zinc metal reacts with hydrochloric acid

Zn+ 2HCl=>ZnCl2+H2

What volume of H2 (measured at r.t.p.) would be produced by reaction of 1 litre of 0.5 mol dm-3 HCl with an excess of zinc?

[1] ½ dm3

[2] 6 dm3

[3] 12 dm3

[4] 24 dm3

5 / 10

What mass of zinc will displace 5.4g of silver from silver nitrate solution?

6 / 10

Given this equation,

4Na+ O2=>2Na2O

what mass of O2 is required to react with 23g of sodium?

7 / 10

NH3 + O2 => NO + H2O

8 / 10

NaHCO3 => Na2CO3 + CO2 + H2O

9 / 10

Calculate the number of moles of bromine molecules (Br2) in 4.00g of bromine

10 / 10

Calculate the mass of 1.00 mole of zinc atoms

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