1) A large container holds 2 liters of water. 45.0 grams of NaCl is added to the container.
What is the molarity of sodium chloride in the container?

Adrop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. what is its volume in cubic centimeters?

State one important difference between a physical change and a chemical change?

Pls ill give u brainliest which of the following is true about science? 1. political conditions are unable to influence it. 2. economic concerns may prevent it from solving problems.