Question 1 (1 point)
What is the molarity of a solution of KCl if 1500. mL contains 149.2 grams of KCI?
A) 0.00133 M
B) 1.33 M
C) 2.54 M
D) 2.81 M

What was bohr’s contribution to the planetary model

Mercury turns to vapor at 629.88 k how much heat is lost 175 g of mercury vapor at 650 current condenses to a liquid at 297 ca mercury turns to weber at 629.88 kelvin how much he is lost 175 g of mercury vapor and 650 coming condensers to liquidate 297 kevin

If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?