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Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.080 M NaOH: (a) hydrobromic acid (HBr), (b) chlorous acid (HClO2), (c) benzoic acid (C6H5COOH)
determine How many grams of Phosphine (PH3) can produce if 37.5 grams of P4(phosphorus) and 83.0 Litres of H 2 gas react at STP?
The absorbance of the solution was 0.685 at 415nm and 0.513 at 455nm. What were the percentages of titanium and vanadium in the alloy?
Carbon dioxide and water form during combustion of propane. How many grams of water vapor form when 5.39 g of propane react
The temperature of the solution drops by 22.4 degrees Celsius. If the specific heat of the solution is 4.18J/g degrees C, calculate the enthalpy of the solution of ammonium nitrate.
how many grams of K2SO4 would you need to prepare 1500g of 5.0% K2SO4 (m/m) solution?
Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case.
Group A used 500 moles of styrene and 0.1 moles of benzoyl peroxide while Group B used the same amount of benzoyl peroxide as Group A but used less styrene,150 moles. What would the average molecular weight of each group's polymer sample be?
Suggest reasons why benzoic acid impurity in the benzaldehyde may drastically reduce the yield of the thiamine-promoted condensation of benzaldehyde
In the qualitative cation analysis procedure, Bi3+ is detected by the appearance of a white precipitate of bismuthyl hydroxide, BiOOH(s): BiOOH(s) --->
chromium oxide is made by reacting Na2Cr2O7 with ammonium chloride to make chromium III oxide, sodium chloride, nitrogen and water.
compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen
The activity coefficients of the Mg2+ and Cl- ions in this solution. The mean ionic activity coefficients of these ions.
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