purple flowers are dominant over white flowers. A heterozygous purple flower is crossed with another heterozygous purple flower. The ratio of purple to white would be

3:1

Explanation:

The ratio of purple to white from a heterozygous purple flower crossed with another heterozygous purple flower would be 3:1. Heterozygous refers to having inherited two different forms of a particular gene, one from each parent.

what is the statement?

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added