The mass percentage of sodium hydroxide in a solution prepared by dissolving 8g of NaOH in 50g of water is  1_ 0.138%
2_ 10.2%
3_ 13.8%​

Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?