How many moles of sodium ions are contained in 99.6 mg of Na2SO3? The molar mass of Na2SO3 is 126.05g/mol.

What is a solution?

If you mix different amounts of two ideal gases that are originally at different temperatures, what must be true of the final state after the temperature stabilizes? (There may be more than one correct choice.) A.

A sample of phosphorus-32 has a half-life of 14.28 days. If 55 g of this radioisotope remain unchanged after approximately 57 days, what was the mass of the original sample?

How many grams are in 7.62 X 1017 molecules of oxygen?

How many electrons would be found in the ion whose symbol is given below? N3-

Why is it important to conserve both nonrenewable and renewable resources?

What procedure represents the safest technique to use for diluting a concentrated acid?

Water a combination of the elements hydrogen and oxygen, is an example of an

Provide three different types of examples of how minerals form on earth

Which element has the lowest electronegativity? Calcium (Ca) Gallium (Ga) Selenium (Se) Bromine (Br)