92. Round the answer for each problem to the correct num- ber of significant figures.
a. (7.31 x 104) + (3.23 x 103)

Determine the reaction and balance the following equations urgent due in the morning

Write and balance the chemical equation that represents the reaction of aqueous sulfuric acid with aqueous sodium hydroxide to form water and sodium sulfate. include phases.

What is the mass of naoh that would have to be added to 500 ml of a solution of 0.20 m acetic acid in order to achieve a ph of 5.0?