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Please explain in detail the step by step method of how to dothese problems including formulas used:1) What is the molarity of sodium chloride in solutionthat is 13.0% by mass sodium chloride and that has a density of1.10 g/mL?
2) The vapor pressure of pure ethanol at 60oCis 0.459 atm. What is the vapor pressure predicted byRaoult's Law of a solution prepared by dissolving 10.0 mmolnaphthalene (nonvolatile) in 90.0 mlili molar ethanol?
How long would it take the same number of moles of Ar(g) to effuse through the same membrane?
"If 2.3g of Sodium reacted with 1.8g of water, what would be the total mass of Sodium Hydroxide and hydrogen produced? Explain your answer"
The heat fusion for water is 80. cal/g. How many calories of heat are released when 20 g of water is at 0 C is frozen to ice ?
A 55.0-L steel tank at 20.0°C contains acetylene gas, C2H2, at a pressure of 1.39 atm. Assuming ideal behavior, how many grams of acetylene are in the tank?
A 1L vessel at 0C contains .23 mol N2, 1.6 mol of H2 and1.9 mol CH4. Calculate the pressure of the mixture and the partial pressure of each constituent gas.
Calculate the total pressure (in atm) of a mixture of 0.0270 mol of helium, He, and 0.0200 mol of oxygen, O2, in a 4-L flask at 20°C. Assume ideal gas behavior.
a 0.331-g sample of aspirin prepared in the lab was dissolved in 95 ethanol and titrated to a phenophthalein endpoint
consider a sample containing 5 mol of a monatomic ideal gas taken from state a to state b. calculate changeE, changeH,q, and w.
The flask was then shaken until the solution was uniform. A 20.0-rm mL sample of this glucose solution was diluted to 0.500 rm L. How many grams of glucose are in 100. rm mL of the final solution?
Maleic anhydride reacts with ethylene glycol to produce an alkyd resin
At equilibrium the concentration of NO in the vessel is 0.161M. At equilibrium the vessel contains N2, H2O and H2. What is the value of the equilibrium constant Kc for the following reactions
When the gas is not flowing, the pressure is the same everywhere in the pipe. How high above the bottom of the manometer would the mercury be in the arm connected to the pipe?
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