闪卡自测
Using moles, volume in dm3 and concentration, complete the equation: Moles = (Higher tier only)
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闪卡 1
问题
Using moles, volume in dm3 and concentration, complete the equation: Moles = (Higher tier only)
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答案
Using moles, volume in dm3 and concentration, the equation is: Moles = concentration x volume
闪卡 2
问题
Calculate the number of moles of solute present in 2.0 dm3 of a solution whose concentration is 0.15 mol dm-3. (Higher tier only)
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答案
To calculate the number of moles of solute present in 2.0 dm3 of a solution whose concentration is 0.15 mol dm-3:
闪卡 3
问题
What are the two common units for concentration? (Higher tier only)
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答案
The two common units for concentration are:
闪卡 4
问题
State the equation for concentration using moles and volume. (Higher tier only)
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答案
The equation for concentration using moles and volume is: concentration = moles / volume
闪卡 5
问题
What is the concentration of a solution where 1.0 mole of solute is dissolved in 2.0 dm3 of water? (Higher tier only)
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答案
The concentration of a solution where 1.0 mole of solute is dissolved in 2.0 dm3 of water is:
闪卡 6
问题
How do you calculate the volume of a solution using moles and concentration? (Higher tier only)
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答案
The equation to calculate the volume of a solution using moles and concentration is: Volume = moles / concentration
闪卡 7
问题
Using volume in dm3 and concentration, complete the equation: Moles = (Higher tier only)
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答案
Using moles, volume in dm3 and concentration, the equation is: Moles = concentration x volume
闪卡 8
问题
Calculate the number of moles in 2.5 dm3 of a solution that has a concentration of 0.30 mol dm-3. (Higher tier only)
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答案
To calculate the number of moles present in 2.5 dm3 of a solution which has a concentration of 0.30 mol dm-3:
闪卡 9
问题
What is 27.50 cm3 in dm3? (Higher tier only)
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答案
27.50 cm3 is 0.0275 dm3.
闪卡 10
问题
A solution of HCl has a volume of 23.55 cm3 and contains 0.00375 moles. What is its concentration in mol/dm3? (Higher tier only)
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答案
The concentration in mol/dm3 of a solution of HCl with a volume of 23.55 cm3 and contains 0.00375 moles is:
闪卡 11
问题
What are the four steps to solve a titration calculation? (Higher tier only)
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答案
The four steps in a titration calculation are:
闪卡 12
问题
Using moles and volume in dm3, complete the equation: Concentration = (Higher tier only)
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答案
Using moles, volume in dm3 the equation is: Concentration =
闪卡 13
问题
What is 0.03905 dm3 in cm3? (Higher tier only)
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答案
0.03905 dm3 is 39.05 cm3.
闪卡 14
问题
Explain how many moles of HCl will be neutralised by 0.05 moles of NaOH. HCl + NaOH → NaCl + H2O (Higher tier only)
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答案
0.05 moles of HCl would be required as this reaction is a 1:1 ratio.