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Total cards: 3•Content version: v4•Public deck•Updated: 8/1/2026
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#1
Front (Question)
What is the concentration of Br− if one mole of MgBr2 is dissolved in one litre of water?
Back (Answer)
Find the number of moles of bromide ions in the solution 1 mole of MgBr2 contains 2 moles of Br- Divide by the volume Concentration = 2 moles ÷ 1 litre Remember the conversion between litres and decimetres 1 litre = 1 dm3 Clean up units Concentration = 2 moldm-3
#2
Front (Question)
What observations are made during the reaction of metal and acid?
Back (Answer)
Metal dissolves Fizzing
#3
Front (Question)
How could a student check to see if all the water has been removed?
Back (Answer)
Heat up till mass is Constant