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Compute [CO32-] in a 0.032 M solution of CO2 in water (H2CO3). If all the CO32- in this solution comes from the reaction shown below, explain what percentage of the H+ ions in the solution is a result of the dissociation of HCO3?HCO3 (aq) reverse reaction arrow H+(aq) + CO32-(aq)
A molecular compound contains 92.3% carbon and 7.7% hydrogen by weight. If 0.152 mol of the compound weighs 3.95 g, what is its molecular formula?
What is the pressure exerted by some nitrogen gas collected in a tube filled with water on a day when the room temperature is 18.0ºC
suppose that 35.55 mL of permanganate solution is required to titrate 1.2055 grams of iron ammonium sulfate hexahydrate. calculate the concentration of the permanganate solution.
What is the hydronium-ion concentration in a solution formed by combining 150 mL of 0.10 M NaOH with 50 mL of 0.30 M HCL. Ba(OH)2(aq) + 2HCl(aq) -> BaCl2(aq) + 2H2O
The rate of the reaction doubles when the concentration of CH3Cl is doubled and it quadruples when the concentration of H2O is doubled. What is the unit for K?
Explain how the formation of a soap ‘micelle' helps remove dirt and oil in an aqueous environment.
When an experiment to determine the molar mass of a volatile liquid is performed, it is found that a 342 mL flask at 22.0C and 1.00 atm is filled by .423 g of vapor. which of the following volaite liquids is it?
How many distinct locations are there for a double bond in a five-carbon linear chain. What is the correct name for the compound, CH3CH2CH=CHCH2CH=CHCH3
A 12.00 milk chocolate bar is found to contain 9.200 of sugar. What will be the amount of sugar in milligrams if the size of the chocolate bar is reduced from 12.00 to 5.000
question the concentration of glucose in blood is approximately 90mg100 ml. what is the weightvolume percent
The equilibrium constant, Kc, for the following reaction is 1.80E-2 at 698 K. 2 HI(g) H2(g) + I2(g) Calculate the equilibrium concentrations of reactant and products when 0.261 moles of HI are introduced into a 1.00 L vessel at 698 K. [HI] = M [H2..
The reading on the tank pressure initially rises very quickly then much more slowly eventually reaching a value of 3.27 mpa. A ssume T final=19C. How many moles of air in the tank initially ?
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