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 10cm3 of 4mol dm-3 HCl?

2 / 10

What is the volume (in dm3) at room temperature and pressure of 11.0g of propane?

3 / 10

Balance this equation:

P4+O2=>P4O10

Using the balanced equation, how many moles of oxygen molecules are required to react with 1 mole of phosphorous molecules?

4 / 10

Na2O2 + H2O => NaOH + O2

5 / 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?

6 / 10

Fe(OH)2

7 / 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?

8 / 10

Calculate the mass of silver containing the same number of atoms as 1.20g of magnesium

9 / 10

Calculate the mass of 2.01 x1023atoms of carbon

10 / 10

Calculate the relative molecular mass (formula mass) of ethene C2H4

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