A chemist prepares a solution of iron(II) bromide by measuring out of iron(II) bromide into a volumetric flask and filling the flask to the mark with water. Calculate the concentration in of the chemist's iron(II) bromide solution.

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.