1. 50.77 g of AgNO3 Is dissolved in water to make a 0.900 M solution. What is the volume of the solution in liters?

2. A student needs to make 0.800 L of a potassium chloride solution for an experiment. The concentration of the required solution is 1.200 M. How many grams of potassium chloride will she need to use?

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?