Acids and bases Flashcards
1
Q
Define acid
A
Proton donor
2
Q
Describe how a student would obtain a sample of metal (Magnesium) Nitrate from a hydrated metal crystals ?
A
Take the mass of the crystals using a 2dp balance
Dissolve in distilled water
Place in 250cm3 volumetric flask, ensuring rinsing beforehand
Make up to mark adding water, ensuring that bottom of meniscus meets the mark
3
Q
Outline the method used to obtain results plotted on a graph depicting loss in mass over time
A
Need a stopclock/watch
Recording loss of mass at regular intervals (~30s)