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A 0.1000 M NaOH solution was employed to titrate a 25.00-mL solution that contains 0.1000 M HCL and 0.0500 M HOAc. Find out the pH of the solution after 27.50mL of NaOH is added. Ka HOAc = 1.75*10-5.
Explain what's the solution pH at the second equivalence point?
What is the molarity (M) of a solution that contains 2.08 grams of NaOH (MM = 40.00 g/mol) in 79.65 mL of solution.
Lithium is the least dense metal known (density: 0.53 g/cm3). What is the volume occupied by 5.90 multiplied by 103 g of lithium
Combustion of 7.20 g of this compound produced 14.4 g of CO2 and 5.89 g of H2O. What is the emperical Formula of the unknown compound?
Calculate the kg/h of wet cake feed needed to produce 1000 kg/h of "dry" ?sh cake product.
Given that the freezing point of pure water is 0 C and that the freezing point depression constant for water is 1.853 (C kg)/mol calculate the molar mass (g/mol) of this compound
A student takes 185. g of BaCl2, and reacts it according to the following equation: 3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3 How many moles of AlCl3 are formed?
Calculate the minimum number of grams of solid that must be combusted to provide the energy necessary to convert 2.50kg of from its solid form at -14.0 C to its liquid form at 60.0 C .
How many resonance peaks should be observed in the hydrogen - decoupled C 13 - NMR spectrum of each of the following compounds?
What is the pKa value of the proton alpha to the phenyl group, and what is the pka value of the proton attached to the carbonyl carbon?
What volume is need to give 2L/min flow for 19200min with a tank pressure of 2500psi? Assuming Ideal behavior.
phenol c6h5oh is a weak organic acid.suppose 0.515g of the compound is dissolved in exactly 125 ml ofwater. the
if the pressure of a gas sample is quadrupled and the absolute temperature is doubled by what factor does the volume of
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