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A solution is made by dissolving 20.6 g of cobalt(II) nitrate, Co(NO3)2, in enough water to make exactly 500 mL of solution. Calculate the concentration (molarity) of Co(NO3)2 in mol/L (M).
a 35.00 mL sample of NaOH solution is titrated to an endpoint of 14.76 mL 0.4122 M HBr solution. What is the molarity pf the NaOH solution?
You measure water in two containers a 10-mL graduated cylinder with marks at every mL, and a 1mL pipet mareked at every 0.1mL. If you have few water in each of the containers and add them together, to what decimal place could you measure the total
Problem- When 10.33 g of neon is combined in a 23.96 L container at 98oC with 10.61 g of argon, what is the partial pressure (in mmHg) of argon
State the properties of copper that make it suitable to be used as wiring of electrical circuits
What will the pH of the solution be when 0.1316 L of 2.1 M NaOH are added to the 421 mL of 0.501 M carbonic acid? How many mL of the 2.1 M NaOH are needed to raise the pH of the carbonic acid solution to a pH of 6.019?
Discuss on the importance of phase IV clinical trials in the development of medicinal products for human use
Discussion for pH determination of acid,base and buffer solution
the vapour pressure of pyridine is 50.0 kpa at 365.7 k and the normal boiling point is 388.4 k. what is the enthalpy of
Use the VSEPR model to predict the effective electron pair (electron cloud) geometry and the molecular structure for the following molecular species
When the brand X cereal sample burned, the temperature rose from 299.0 K to 307.5 K. What is the heat output of each sample. One serving of each cereal is 30.0 g. How would you label the packages of the two cereals to indicate the fuel value per 3..
We have 500 mL of a solution with Ba^(2+)=0.10M. How many grams of LiF must be added to begin precipitation of BaF2? The Ksp of BaF2 is 1.7 x 10^(-6)
What significance do IT project have within an organization? How you prioritize IT projects?
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