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Explain A solution containing 25 mL of ammonia at unknown concentration is titrated to the equivalence point using 23.24 mL of 0.23 M HCl. Define what was the original concentration of the ammonia solution?
A thin plate of copper is suspended in seawater. If the corrosion rate is 0.9 mpy (mils per year) and the plate is a square of dimension 3.5 in. per side, how much weight loss (in mg) is expected in 16 days. Express your answer in the form X.X, ro..
Hypothetically, you have determined from TLC analysis of your final product that your reaction did not go to completion, and you have isolated a mixture of the two alkene isomers.
why are we given a known and unknown hydrate. what is the point of having a known sample. why is it important. do scientists give is a more 'generic' name, if so, what would a scientist call the known
The vapor pressure of acetone is 1 torr at -59, 10 torr at -31, 100 torr at 8, 400 torr at 40, and 760 torr at 56. What is the normal boiling point of acetone
The purification unit can remove three-fourths of the DMF from the combined feed to the unit. Calculate the mol fraction of DMF entering the purification unit and the recycle ratio (recycle ratio = moles in recycle/moles in feed).
What Amount of enrgy has been transferred to heat the water? (The specific heat capacity of water is 4.184 J/g *C )
What is the sum of all the coefficients in the balanced equation?
What would the solubility of copper (II) tartrate be in a solution that contains 0.12 M sodium tartrate?
Calculate the percent composition and determine the molecular formula and the empirical formula for the carbon-hydrogen-oxygen compound that results when 30.21 g of carbon, 40.24 g of oxygen, and 5.08 g of hydrogen are reacted to produce a product..
A gas mixture composed of helium and argon has density of 0.670 g/L at 755 mmHg and 298K. What is the composition of the mixture by mass
The Ogallala aquifer is the largest in the United States, covering 450,000 across eight states, from South Dakota to Texas. This aquifer provides 82% of the drinking water for the people who live in this region
A flask containing a mixture of NH3(g) and CH4(g) is cooled. At -33.3 degrees celcius a liquid begins to form in the flask. What is the liquid? NH3(g) or CH4(g)
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