The masses of solute in the 2 solutions can be different but result in the same concentration, this is best explained with examples.
Say solution A contained 10g of solute and had a volume of 100dm^3
If solution B contained 5g of solute and had a volume of 50dm^3 this would make the concentrations of A and B identical.
Plant respiration , animal respiration , factory emission
When the elements combine form compounds, they do it to become stable. They give and taker the outside electrons or by sharing outer ring electrons.
All the conversions have a net value of 1
