137 ml of 0129 M KI Solution is regured
to completely reaut with 42ml of Pb(NO3)2
solurion, what is the concentration of the lead
Linnmate solution 3

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)