Combustion=heat and light
decomposition=taking something away
single means one element changes
and double means two elements change l.
Sodium is considered to be a transitional metal
Answer:
Mass of solution=100g
mass of salt=20g
so; mass of solute=80g
percentage composition =(mass of salt/total
mass) ×100
= \frac{20}{100} \times 100 \\ = 20\%
glad to help you
hope it helps
