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Calculate the molar solubility of stronium fluoride (SrF2) when dissolved in a 0.0800 M solution of stronium nitrate Sr(NO3)2.
calculate the freezing point of a nonionizing antifreeze solution containing 388 g ethylene glycol, C2H6O2 and 409 g of water.
Use the PhET to complete the sentences describing how electronegativity is related to bond dipole experienced by the molecule.
What are the masses of CO and CO2 in the tank and what are the partial pressures of each of the three gases at 24C?
A student combusts 504.96 grams of ethene gas, C2H4. How many liters of CO2 (g) are produced at a pressure of 0.993 atm and a temperature of 295 K? C2H4 (g) + 3 O2 (g)-> 2 CO2 (g) + 2 H2O (g)
If you had a saturated solution of NaNO3 at 40 degrees Celsius that contained 85 grams of water, how much of the salt would you need to add to have a saturated solution at 70 degrees Celsius?
Compute How many mg of the compound P do you have in 20ml of 4% (w/v) solution of P
Calculate the mass of nitrogen dissolved at room temperature in an 99.0 mL home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78.
Compute the number of moles - As we know many volatile substances are present in Earth's atmosphere in trace amounts.
At 0.967 atm, the height of mercury in a barometer is 0.735 m. If the mercury were replaced with water, what height of water (in meters) would be supported at this pressure.
Determine How much Na2EDTA x 2 H2O must be weighed to form exactly two litres of 0.0500 M solution? FW=372.24
The final temperature of the water and metal was 25.0 C. Assuming no heat is lost to the surroundings,calculate the specific heat of the metal and estimate its atomic weight
A 325-mL sample of solution contains 25.3 g of CaCl2, which is fully dissolved. Calculate the molar concentration of Cl- in this solution.
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