Question

A solution has a concentration of 45 g/L. What does this mean?

Answer 1

It means the substance has 45 grams per liter.

Step-by-step explanation:

This and other abbreviations are used for units of measurements, to make things more simple.

Hope it helped!

Answer 2

A solution with a concentration of 45 g/L means that there are 45 grams of solute (the substance that is dissolved) in each liter of the solution. This is a measure of how much of a substance is dissolved in a given volume of the solution. It is also sometimes referred to as the "molarity" of the solution.