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Problem- A generic salt, AB3, has a molar mass of 315 g/mol and a solubility of 8.90 g/L at 25 °C. What is the Ksp of this salt at 25 °C?
Rework your solution from the beginning and check each step carefully
water at 20 degrees celsius is flowing with velocity of 0.5 ms between two parallel flat plates placed 1 cm apart.
Utilize ionization energy and electron affinity values to compute the energy change (in kj/mol) for the subsequent reaction for the following reaction
compound b has a molar mass of 55.87 gmol. a solution is prepared by dissolving 1.00 g of compound b in enough water
for the reaction represented by the equation cl2 + 2kbr 2kcl +br2 how many moles of potassium chloride are produced from 119 g of potassium bromide?
At 30 degrees Celsius, the titration of a 5.0 mL sample of succinic acid required 29.56 ml of .950M NaOH. Find the concentration of succinic acid in moles/liter
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
If 545 mL of oxygen gas is collected at 21ºC and 754 mm Hg, what is its volume at STP?
120g of iron heated to 100c and put into a calorimeter with 100ml of water at 20c. The final temperature of the water and iron mixture is 30c.
Describe a carbon nanotube and the physical properties of a nanotube compared to the other allotypes of carbon. What are the ares were it appears nanotubes will be used in the future.
1 mol of oxygen gas is confined to a 6 l vessel at a pressure of 6 atm. avogadros number is 6.02214times1023 1mol. the
If the volume of the cylinder is 5500 mL and the pressure of the N2 in it is 2.5 atm. (temperature is 25oC) a. How many moles of nitrogen molecules are in the cylinder
Consider two samples of liquid: one mole of water H2O and one mole of ethanol C2H5OH. The density of water is 1.0 g/mL, and the density of ethanol is 0.785 g/mL. Answer each of the following questions by selecting the correct choice.
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