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What is the molarity of an aqueous solution that contains 15.2g of Kno3 in 2.3 l of solution Formular for m:_____ Mass of the solute:_____ Molar mass of solute KNO3 1K_____+1N_____+30______=_____G/MOL Moles of soulte =mass solute/molar mass=____ Volume of solution in l ______ Sunstitue in formula and solve it
Oxygen gas is collected by water displacement from the reaction of sodium peroxide and water. The oxygen gas displaces 318 ml of water at 23 degrees C and 1 atm. What is the pressure of the dry oxygen gas?
The sulfur content of the coal is 2.0 percent and the molar mass molecular weight of the flue gas is 30.5. If all the sulfur in the coal appears as SO2 in the flue gas, explain what is the concentration of SO2 in the flue gas in parts per million
Nitrogen dioxide and water react to produce nitric acid HNO3 and nitrogen monoxide. 3NO2(g) + H2O(l) --> @HNO3(aq) + NO(g)
Problem- What is the concentration of K+\rm K^+ ions in a 0.045 M~M K2CO3\rm K_2CO_3 solution assuming complete dissociation
Estimates show that the total energy output of the sun is 5X10^26 J/s. What is the corresponding loss in Kg/s of the sun in scientific notation
Derive the relationship between the constants a and b of the Dieterici equation: p=(RT/V-b)exp(-a/RTV)
a titration curve for H3PO4 (triprotic acid) and a mixture of three weak acids?
explain why the pure solvent shows a level horizontal curve as solidification occurs but the curve for the solution
Explain what is a balanced chemical equation showing the structures for the reaction between acetylsalicylic acid and the strong base sodium hydroxide
The U.S. recommended daily allowance (RDA) of folic acid, (C19H19N7O6) is 400.0 ?g. Calculate the number of molecules in the U.S. RDA. Do not enter units.
can you show me how to set up this problem? i dont reallyunderstand how to incorporated heat of fusion as well as heat
How much heat is released when 105g of steam at 100.0 degrees celsius is cooled to ice at -15.0 degrees celsius? The enthalpy of vap of water is 40.67kJ/mol, the enthalpy of fusion for water is 6.01kJ/mol, the molar heat capacity of liquid water
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