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Concentration Of Solutions (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Concentration Of Solutions' from the broader topic Quantitative Chemistry. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

What is the concentration in g/dm3 of a 0.100 mol/dm3 solution of H2SO4 (Mr = 98)?
A student dissolves 0.500 g of NaCl (Mr = 58.5) in 100 cm3 water. What is the concentration in mol/dm3?
A sample contains 0.00235 mol of reagent in 25.0 cm3. What is its concentration in mol/dm3?
A student prepares 100.0 cm3 of 0.100 mol/dm3 NaOH by diluting a 1.00 mol/dm3 stock. What volume of stock is needed (in cm3)?
A stock solution of 1.00 mol/dm3 is diluted by taking 10.0 cm3 and making up to 500 cm3. What is the concentration of the diluted solution?
What mass of Na2CO3 (Mr = 106) is needed to prepare 250 cm3 of a 0.200 mol/dm3 solution?
How many cm3 of final solution are needed to dilute 50.0 cm3 of 0.500 mol/dm3 solution to 0.100 mol/dm3?
5.85 g of NaCl (Mr = 58.5) is dissolved to make 500 cm3 of solution. What is the concentration in mol/dm3?
A student titrates 25.0 cm3 of Na2CO3 solution with 30.0 cm3 of 0.100 mol/dm3 HCl using 2NaOH? (Note: correct reaction is Na2CO3 + 2HCl ? 2NaCl + CO2 + H2O). How many moles of HCl were used?
If a saturated solution at a given temperature cannot dissolve any more solute, what happens to the concentration if extra solid solute is added?
A solution contains 35.0 g/dm3 NaCl. Sodium is 39.34% by mass of NaCl. What is the concentration of sodium (g/dm3) in the solution?