In the molecule 4H2O2 the number of hydrogen atoms is what

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m

Word equation for k+ h2o yield koh + h2

Draw the lewis dot structure for each of the following polyatomic ions