6 A student is making a solution of potassium permanganate(KMnO.). They mix 23.7 grams of
potassium permanganate into 750.0 mL of water.
What is the molarity of the potassium permanganate solution?

Express the following number in scientific notation. 0.026890 =

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

The fact that the total amount of energy in a system remains constant is a(n)