0.112 M of a certain weak acid has a pH of 3.67. What is the Ka of the acid? A. 5.4 x 10-10
B. 1.2 x 10-8
C. 7.4 x 10-5
D. 4.1 x 10-7
E. 1.1 x 10-6

Select the correct answer. you have a nightlight plugged into an outlet in the hallway, which uses 3.5 watts when plugged in. if the house circuit provides 120.0 volts, what is the current through this bulb?

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need