Solutions (HSC SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
In the formula , what does the variable represent?
In the formula , what does the variable represent?
Concentration in mol L⁻¹
How should you convert 50 mL to litres for use in the formula ?
How should you convert 50 mL to litres for use in the formula ?
Divide 50 by 1000 to get 0.050 L
What is the first step in solving stoichiometric calculations with solutions?
What is the first step in solving stoichiometric calculations with solutions?
Start with a balanced chemical equation
What does it mean when a reagent is described as being 'in excess'?
What does it mean when a reagent is described as being 'in excess'?
More than enough to react completely
What is the most common error in solution calculations?
What is the most common error in solution calculations?
Forgetting to convert mL to L
How many significant figures should the final answer have?
How many significant figures should the final answer have?
Same as the fewest in the data
Where do stoichiometric ratios come from in solution calculations?
Where do stoichiometric ratios come from in solution calculations?
Coefficients in balanced equation
When one reagent is in excess, what should you consider in your calculations?
When one reagent is in excess, what should you consider in your calculations?
Only the limiting reagent amount
Why does molarity make calculations more straightforward?
Why does molarity make calculations more straightforward?
Can use concentration and volume
In precipitate problems, what do you use to convert moles to mass?
In precipitate problems, what do you use to convert moles to mass?
Molar mass