0.25 grams of magnesium chloride are dissolved to make 50 milliliters of solution. What is the molarity of the solution?

What do 4 hydrogen and 2 oxygen atoms chemically react to

Why is it not a good idea to store iodine in a plastic bag?

A bad case of tonsillitis can sometimes affect a person's breathing how is this possible

Which of these are a bronsted acid, a bronsted base or are both the bronsted acid and the bronsted base? PO4^3- ClO2- NH4+ HCO3- H2PO4-

A sample of sodium dichromate, Na2Cr2O7, is placed into a container by itself. The sample of material in the container is analyzed, and it is found to contain exactly 0.67 moles of sodium atoms. How many moles of oxygen atoms are in this sample?

The mixing of which pair of reactants will result in a precipitation reaction? the mixing of which pair of reactants will result in a precipitation reaction?

A balloon has 18.9 moles of hydrogen gas at a volume of 428 L. What would the volume of the gas be if the balloon had 14.0 moles of hydrogen gas left after 1 day?

An analytical chemist is titrating 242.5 mL of a 1.200 M solution of hydrazoic acid HN3 with a 0.3400 M solution of NaOH. The pKa of hydrazoic acid is 4.72. Calculate the pH of the acid solution after the chemist has added 1006.

A gas stream contains 18.0 mol% hexane and the remainder nitrogen. the stream flows to a condenser, where its temperature is reduced and some of the hexane is liquefied. the hexane mole fraction in the gas stream leaving the condenser is 0.0500.

What type of solution is aerated water. why is it so.