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A solid mixture consists of 34.0g of KNO3 and 6.0g of K2SO4. The mixture is added to 130.0g of water. (this problem includes a solubility curve for other answers).
If the solution is cooled to 0 C, what mass of KNO3 should crystallize?If the solution is cooled to 0 C, what mass of K2SO4 should crystallize?
the half life of polonium-210 is 138.4 days. how many milligrams of polonium-210 remain after 415.2 days if you start
An aqueous solution contains 0.96 g/L of an organic detergent. The osmotic pressure of this solution is 62.2 torr, at 25°C. What is the molar mass (in g/mol) of this detergent
Write a balanced equation for each of the two steps of the reaction, namely: (1) the reaction between benzyltriphenylphosphonium chloride and sodium hydroxide
Determine the grams of sodium carbonate required to precipitate magnesium ions from water used in one wash cycle of a washing machine. Notes: 1) Assume the concentration of Mg+2 is 165mg/L 2) Estimate the volume of water used in your wash cycle 3)..
What is the gauge pressure at a depth of 4.50 mi below the surface of the sea if thewater temperature averages 60°F? Give your answer in lb (force) per sq. in. The sp grof sea water at 60°F/60°F is 1.042 and is assumed to be independent of pressur..
Hemoglobin, a nonelctrolyte is an iron containing protein found in red blood cells. The osmotic pressure of 25.0 mL of an aq. soln containing 0.658 g of hemoglobin is 9.88x10^-3 atm at 25.0 *C. Determine the molar mass of hemoglobin
What is the limiting reactant when equal masses of iron(III) chloride and potassium phosphate react in solution?
What volume of H2 gas (in L ), measured at 742 mmHg and 84C, is required to synthesize 25.8g of CH3OH?
Compute A current is drawn from the cell until 1.20 grams of Ag have been deposited at the Ag electrode. Determine the value of E for the cell at that stage of operation.
Consider a certain type of nucleus that has a rate constant of 2.92 s 10^-2min^-1. Calculate the time rquired for the sample to decay to one-fourth of its initial value.
the next three questions pertain to the complete combustion of ethyl acetate under constant pressurenbspch3cooc2h5l
Given the following equation, how many grams of PbCO3 will dissolve when 1.5L of 1.00 M H+ is added to 6.00g of PbCO3? PbCO3(s) + 2H+(aq) = Pb^2(aq)+ +H2O (l)+ CO2(g)
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