If you are correct, give yourself a pat on the back. Bobbyjoe has been asked to prepare a solution of 3 M sodium hydroxide. He will need 500 ml. to complete his experiment. Bobbyjoe will need to know how many grams of sodium hydroxide he will need to prepare 500 ml. of solution. Help him complete the calculation.
Hector needs a diluted solution of hydrochloric acid.
The experiment calls for a 6 M hydrochloric acid solution.