Calculate the mass for CaCl2 if the percentage by mass of the solution is 10.00 %. Given mass of the solution is 15.00 g. (Relative Atomic Mass: Ca = 40.1; CI = 35.5] A) 0.67 g

B) 1.50 g

C) 150.009

D) 10.00 g

Think about how you can use le chatelier’s principle to find possible solutions to the design problem. describe at least two ways to increase the yield (amount) of ammonia based on this principle.

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering