What volume of compound solution is required to react
Consider the following reaction: K2S(aq)+ Co(NO3)2(aq) - 2 KNO3(aq) + CoS(aq) What volume of 0.225 M K2S solution is required to completely react with 175 mL of 0.115 M Co(NO3)2?
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Describe the "new" immigrants in the late nineteenth century. Explain where they emigrated from and why they emigrated. Summarize how they were accepted by American citizens
Of the nearly 200 governments in the world, what is the estimate of the number of actual constitutional democracies?
A 350 N child is in a swing attached to ropes 1.75m. Find the gravitational PE associated with the child relative to her lowest position when the ropes make a 30 degree angle with the vertical.
A 1.43-L flask is filled with propane gas (C3H8), at 1.00 atm and -23.0°C. What is the mass of the propane in the flask?
A rifle is aimed horizontally at a target 51.0m away. The bullet hits the target 2.50cm below the aim point. a) What was the bullets flight time? b) What was the bullets speed as it left the barrel?
The second part of your Final Exam involves a project. Complete the Final Exam Project using the instructions in the PDF below and submit it to the dropbox.
A 0.264-gram sample of an amino acid was dissolved in 95.0mL of water and titrated with 0.105M NaOH. The first equivalence point was found at V(OH)=16.3mL. What is the molar mass of the amino acid titrated?
An aqueous solution contains 4.90% NH3 (ammonia) by mass. The density of the aqueous ammonia is 0.979 g/mL. What is the molarity of NH3 in the solution?
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