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

You need to prepare a solution with a specific concentration of Na+Na + ions; however, someone used the end of the stock solution of NaClNaCl, and there isn't any NaClNaCl to be found in the lab. You do, however, have some Na2SO4Na2SO4.

Sodium reacts with water according to the reaction: 2Na (s) + 2H2O (l) →2NaOH (aq) + H2 (g) Identify the oxidizing agent. a) H2O (l) b) NaOH (aq) c) Na (s) d) H2 (g)

How many protons and neutrons does aluminum

The ka of phosphoric acid, h3po4, is 7.6  10-3 at 25 °c. for the reaction h3po4 (aq) h2po4 - (aq) + h + (aq) ∆h° = - 14.2 kj/mol. what is the ka of h3po4 at 60 °c?

how many significant figure does 60600 have?

Water vapor cools and comes together to form a cloud. This is an example of what change in state? condensation evaporation melting

Which group of the periodic table does this element most likely belong to

What is the ph of a 7.5*10^-3 m H + solution

How many atoms of hydrogen are there in one molecule of C3H5 (OH) 3?

Transferring or sharing electrons between atoms forms