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

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

2 / 10

Which of the following solutions contains most potassium hydroxide (KOH)?

3 / 10

What is the volume (in dm3) at room temperature and pressure of 1.00g of neon?

4 / 10

What is the volume (in dm3) occupied at room temperature and pressure (r.t.p:298K and 100KPa) of 1.00 mole of oxygen molecules?

5 / 10

Given this equation,

4Na+ O2=>2Na2O

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

6 / 10

In a certain compound 15.5g of phosphorus combine with 20g of oxygen. What is the simplest formula of the compound?

7 / 10

CuS

8 / 10

Calculate the mass of oxygen having the same number of molecules as 7.10g of chlorine

9 / 10

Calculate the mass of 0.00200 mol of sodium atoms

10 / 10

Calculate the mass of 0.500 mol of sulfur atoms

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