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Moles - Masses | ||

1 | What does Mole mean? | Answer |

2 | What is Avogadro's Number? | Answer |

3 | What is a Mole defined as? | Answer |

4 | What does
A_{r} mean? |
Answer |

5 | What does RAM mean? | Answer |

6 | What is the Mass of one Mole of Sodium Atoms? | Answer |

7 | What is the Mass of one Mole of Magnesium Atoms? | Answer |

8 | What is the Mass of one Mole of Calcium Atoms? | Answer |

9 | What is the Mass of one Mole of Helium Atoms? | Answer |

10 | What is the Mass of one Mole of Neon Atoms? | Answer |

11 | What does RMM mean? | Answer |

12 | What is the Mass of one Mole of Nitrogen Molecules? | Answer |

13 | What is the Mass of one Mole of Oxygen Molecules? | Answer |

14 | What is the Mass of one Mole of Chlorine Molecules? | Answer |

15 | What does
M_{r} mean? |
Answer |

16 | What does RFM mean? | Answer |

17 | What is the Mass of one Mole of Carbon Dioxide? | Answer |

18 | What is the Mass of one Mole of Calcium Carbonate? | Answer |

19 | What is the Mass of one Mole of Magnesium Oxide? | Answer |

Converting | ||

20 | Give the Equation which Converts Mass into Moles. | Answer |

21 | How many Moles are there in 35 grams of Calcium Carbonate? | Answer |

22 | How many Moles are there in 125 grams of Carbon? | Answer |

23 | Give the Equation which Converts Moles into Mass. | Answer |

24 | How many grams are there in 42 Moles of Neon? | Answer |

25 | How many grams are there in 5·67 Moles of Carbon Dioxide? | Answer |

26 | Give the Equation which Converts Moles into Volume. | Answer |

27 | How many Coulombs are there in one Mole of Electrons? | Answer |

28 | Give the Equation which Converts Concentration into Moles. | Answer |

29 | How do you
Convert grams into mol/dm^{3}? |
Answer |

30 | How do you
Convert mol/dm^{3}
into grams? |
Answer |

Calculations | ||

Mass of a Product from a Reaction - Basic Method | ||

31 | 10g of Magnesium is Burned. What Mass of Magnesium Oxide is formed? | Answer |

32 | Give the Rules for the Basic Method of calculating a Mass of a Product. | Answer |

33 | 20g of Sodium is Burned. What Mass of Sodium Oxide is formed? | Answer |

Mass of a Product from a Reaction - Advanced Method | ||

34 | 10g of Magnesium is Burned. What Mass of Magnesium Oxide is formed? | Answer |

35 | Give the Rules for the Advanced Method of calculating a Mass of a Product. | Answer |

36 | 20g of Sodium is Burned. What Mass of Sodium Oxide is formed? | Answer |

The Percentage of an Element in a Compound | ||

37 | What is the Percentage of Carbon in Propene? | Answer |

38 | What is the Percentage of Calcium in Calcium Carbonate? | Answer |

The Empirical Formula of a Compound | ||

39 | What does Empirical mean? | Answer |

40 | 33·6g of Iron reacts with 14·4g of Oxygen. What is the formula of Iron Oxide? | Answer |

41 | 20g of Ca reacts with 35·5g of Cl. What is the formula of Calcium Chloride? | Answer |

42 | Which Compound has 3g of Carbon and 0·5g of Hydrogen if the RMM is 42? | Answer |

43 | Which Compound has 48g of Carbon and 12g of Hydrogen if the RMM is 30? | Answer |

Volumes of Gases | ||

44 | What does Avogadro's Law say? | Answer |

45 | Give the Equation which Converts Moles into Volume. | Answer |

46 | 6g of Carbon is Burned. What Volume of Carbon Dioxide is formed? | Answer |

47 | 90g of Ethane is Burned. What Volume of Carbon Dioxide is formed? | Answer |

48 | 6·5g of Zinc reacts with Sulfuric Acid. What Volume of Hydrogen is formed? | Answer |

49 | What is the Mass of 2 Litres of Chlorine? | Answer |

Masses and Volumes from Electrolysis | ||

A | Electrolysis of Molten Sodium Chloride | |

50 | What Mass and Volume of Chlorine are formed if 46g of Na are deposited? | Answer |

51 | Write and Balance the Half Equations for the Electrolysis. | Answer |

B | Electrolysis of Sodium Chloride in Water | |

52 | What Mass and Volume of Hydrogen are formed if 142g of Cl are discharged? | Answer |

53 | Write and Balance the Half Equations for the Electrolysis. | Answer |

C | Electrolysis of Molten Lead Bromide | |

54 | What is one Mole of Electrons called? | Answer |

55 | 10 Amps is passed for 5 Hours. What Mass of Lead is deposited? | Answer |

56 | Write the Half Equation for the Electrolysis. | Answer |

D | Electrolysis of Molten Aluminium Oxide | |

57 | 10 Amps is passed for 5 Hours. What Mass of Aluminium is deposited? | Answer |

58 | Write the Half Equation for the Electrolysis. | Answer |

Concentrations of Solutions | ||

59 | What is Concentration a measure of? | Answer |

60 | 50 cm^{3} of 2 mol/dm^{3} NaOH
neutralises 30 cm^{3} of what concentration HCl? |
Answer |

61 | 20 cm^{3} of 0·5 mol/dm^{3} NaOH
neutralises 40 cm^{3} of what concentration H_{2}SO_{4} |
Answer |

62 | What is the
Concentration in mol/dm^{3}
of 120g NH_{4}NO_{3} in
1 Litre of Water? |
Answer |

63 | What is the
Concentration in mol/dm^{3}
of 10·6g Na_{2}CO_{3} in
200 cm^{3} of Water? |
Answer |

64 | How many grams of NaOH are present in
500 cm^{3} of
0·8
mol/dm^{3}
NaOH_{(aq)}? |
Answer |

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