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

How many moles of Zn will react with 1 dm3 1mol dm-3 HCl?

2 / 10

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

3 / 10

What is the mass of 0.600 dm3 of ammonia if all volumes are measured at r.t.p?

4 / 10

How many moles of molecules are present in 0.120 dm3 of oxygen? (all volumes measured at r.t.p.)

5 / 10

How many moles of NO2 can be made by full decomposition of 1 mole of Pb(NO3)2 if the equation for this reaction is:

2Pb(NO3)2 => 2PbO + 4NO2 + O2

6 / 10

How many moles of HNO3 are contained in 189g of the compound?

7 / 10

A compound with empirical formula CH2 has a relative molecular mass of 84. Which of the following is the molecular formula of the compound?

8 / 10

(NH4)2S04

9 / 10

phosphorus (III) chloride

10 / 10

Calculate the number of moles of nitrogen atoms in 28.0g of nitrogen

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