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When 0.204 moles of (NH4)3PO4 in enough water to make 1.00 L of solution, what is the total concentration of all ions present in solution?
The half-life of plutonium-239 is 24,100 years. How long will it take for a 100 g sample of plutonium to be reduced to 25 g?
Any help on this problem would be appreciated! Not quite sure how to to use the solubility values in this problem. How can we determine the how many grams will crystallize
If 200 mL of 0.300 M Cr(NO3)3(aq) is added to 100 mL of 4.0 × 10^-4 M NaF(aq) at 25 degrees celcius, will a CrF3 precipitate form? For CrF3 in water at 25°C, Ksp = 6.6 × 10^-11.
The temperature of the mixture is 0? , and the total pressure is 1.00 atm . How many grams of helium are present in the gas mixture? Mass of He =?
What is the pH at the equivalence point? what is the pH at the 10.0 mL base added? what is the pH at the 30.0 mL base added?
An individual suffering from a high cholesterol level in her blood has 241 mg of cholesterol per 100 { mL} of blood. If the total blood volume of the individual is 5.1 L, how many grams of total blood cholesterol does the individual's body contain..
A piece of solid carbon dioxide, with a mass of 7.8g is placed in a 4.0L otherwise empty container at 27 deg C. What is the pressure in the container after all the carbon dioxide vaporizes?
Ethylene glycol, antifreeze, has a density of 1.11 g/cm^3.a. What is the mass, in grams, of 410 mL of ethylene glycol?
find the volume of aqueous acetic avid required to prepare an effective buffer solution when 8.2 grams of sodium acetate is used. Assume 500mL is required for the buffer solutions and also find the pH of the buffer.
mole of He atoms at 25.0 degrees celsius and 1.000 atm pressure? Compare this with the literature value of 126.04 J/molK.
how many grams of sucrose, c12h22o11, must be dissolved in 750 ml of water to prepare a 0.250 molal solution?
A Chem 113 TA prepares a solution by dissolving 3.11 g of solid KOH in enough water to make 100.0 mL of solution. Calculate the molarity of K+ ions in this solution.
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