GCSE Chemistry – Reacting masses
Learning Objectives
-I can calculate the mass of a reactant or a product given the equation
-I can balance an equation given information about the number of moles involved
-I can describe when a reactant would be used in excess
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Question 1 of 14
1. Question
What is the state symbol for a solid?
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Question 2 of 14
2. Question
What is the state symbol for a liquid?
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Question 3 of 14
3. Question
What is the state symbol for a gas?
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Question 4 of 14
4. Question
What is the state symbol for an aqueous substance?
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Question 5 of 14
5. Question
What is the definition of a limiting reactant?
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Question 6 of 14
6. Question
In order to find the limiting reactant of a reaction, what should be found?
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Question 7 of 14
7. Question
How can the limiting reactant of a reaction be picked?
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Question 8 of 14
8. Question
What can be found when the masses of a reaction has been provided?
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Question 9 of 14
9. Question
What type of numbers should generally be used when writing a balanced equation?
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Question 10 of 14
10. Question
Write the balanced equation for the reaction between calcium and hydrochloric acid.
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Question 11 of 14
11. Question
For the reaction between calcium and hydrochloric acid, 4.5 grams of calcium is used. Work out the number of moles of calcium.
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Question 12 of 14
12. Question
For the reaction between calcium and hydrochloric acid, 3.25 grams of hydrochloric acid is used. Work out the number of moles of hydrochloric acid.
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Question 13 of 14
13. Question
Given that for the reaction between calcium and hydrochloric acid, 4.5 grams of calcium is used and 3.25 grams of hydrochloric acid is used, which reactant is the limiting reagent?
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Question 14 of 14
14. Question
Given that for the reaction between calcium and hydrochloric acid, 4.5 grams of calcium is used and 3.25 grams of hydrochloric acid is used, which reactant is in excess?
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