If we dissolve 15 grams of NaCl in 50 mL of water, what will be the molarity 2 points of the solution?
0.005 M
5.1 M
12 M
300 M

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

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.

An object of mass 10.0 kg and volume 1000 ml and density 10 g/ml sinks in water who’s density is 1.0 g/ml. what is the mass of the water which has been displaced in kilograms