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

How many moles of anions are contained in 100cm3 of 0.2 mol dm-3 lead (lI) nitrate (Pb(NO3)2) solution?

2 / 10

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

3 / 10

If 1 mole of potassium bromide (KBr) is dissolved in water to make 2 dm3of solution, what is the concentration of the solution?

4 / 10

What volume of oxygen is required for complete combustion of 1 dm3 of methane?

CH4 + 2O2 => CO2 + 2H2O

Assume all volumes are measured at the same temperature and pressure:

 

5 / 10

How many moles of molecules are present in 24.0 dm3of carbon dioxide? (all volumes measured at r.t.p.)

6 / 10

The mass of 3.00 moles of Na2CO3 is:

7 / 10

BaCO3

8 / 10

phosphorus (III) chloride

9 / 10

carbon disulfide

10 / 10

0.100mol of X atoms has a mass of 15.2g. The element is a mixture of two isotopes in equal amounts. One of these is 151X. What is the mass number of the other isotope?

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