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Questions and Answers
What is the volume of 20/1000 expressed in dm^3?
What is the volume of 20/1000 expressed in dm^3?
- 0.025 dm^3
- 0.2 dm^3
- 0.02 dm^3 (correct)
- 0.002 dm^3
In the reaction HCl + NaOH -> H2O + NaCl, what is the mole ratio between NaOH and HCl?
In the reaction HCl + NaOH -> H2O + NaCl, what is the mole ratio between NaOH and HCl?
- 2:2
- 1:2
- 1:1 (correct)
- 2:1
What is the formula to calculate moles?
What is the formula to calculate moles?
- Volume x Density
- Volume - Concentration
- Volume / Concentration (correct)
- Volume x Mass
Which type of acids are completely ionized in aqueous solution?
Which type of acids are completely ionized in aqueous solution?
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What happens to the pH as the acidity of a solution increases?
What happens to the pH as the acidity of a solution increases?
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What is the concentration of a solution with 0.03 moles in a volume of 0.06 dm^3?
What is the concentration of a solution with 0.03 moles in a volume of 0.06 dm^3?
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Which acid is an example of a weak acid?
Which acid is an example of a weak acid?
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What factor increases by 10 as the pH of a solution decreases by one unit?
What factor increases by 10 as the pH of a solution decreases by one unit?
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'Stronger an acid, lower the pH' showcases the relationship between ________.
'Stronger an acid, lower the pH' showcases the relationship between ________.
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