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1. How many mLs of 0.560M NiCl2 (FW=129.606) solution are required to react with 15.00 mL of 0.808M AgC2H3O2 (FW=166.912) solution?
2AgC2H3O2 (aq) + NiCl2(aq) → 2AgCl(s) + Ni(C2H3O2)2 (aq)
2. A mixture of He and O2 is placed in a 4.00 L flask at 32 °C. The partial pressure of the He is 2.7 atm and the partial pressure of the O2 is 1.4 atm. What is the mole fraction of O2?
Assuming the only weight loss for the rat is the loss of CO2 gas (i.e. water is retained), how many grams does the rat weigh once the sugar is metabolized?
In an equilibrium mixture the partial pressures of SO2 and O2 are 0.165 atm and 0.755 atm, respectively. What is the equilibrium partial pressure of SO3 in the mixture?
Given this information, what is the order of reaction with respect to A and with respect to B? What is the value of the rate constant
Given that vinegar is 5% acetic acid by weight, estimate the percentage of vinegar in the foods. Assume that vinegar is 1.05 g/ml.
What masses of calcium sulfate and phosphoric acid can be produced from the reaction of 1.0kg calcium phosphate with 1.0kg concentrated sulfuric acid (98% H2SO4 by mass)?
Calculate Kb for methylamine. Is methylamine strong base or weaker base than ammonia?
Calculate the percentage of acetic acid that exists in ionized form when dissolved in water at 0.5 M total concentration.
What is the pressure inside a system when the system-side column in an open mercury manometer is 75.0 mm lower than the atmosphere side when the atmospheric pressure is 735 mm Hg.
If 4.5 of ammonium chloride were dissolved in 200 L of water what would be the ammonium chloride concentration in mg/L
A gaseous sample of this element is bombarded by photons of various energies (in these same units). Match each photon to the result of its absorption (or lack thereof) by an n=1 electron.
Calculate the pH of a solution made by dissolving 2.89 g of sodium fluoride and 17.1 mL of 0.309 M hydrofluoric acid in enough water to make 177 mL of solution.
Compound Y has a solubility of 2.0 g/100 mL in water and 20.0 g/100 mL in ether. What weight of compound Y would be removed from a solution of 1.8 g of Y in 100 mL of water by a single extraction with 100 mL of ether?
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