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Question- If 65.0 mL of water (instead of 50.00mL) were used to dissolve the potassium hydrogen phthalate, would the calculated molarity of the NaOH solution be less, greater, or remain the same?
NaOH was used as the titration agent.
Please provide the answer of the given question on urgent basis
the same retention but different selectivity as what precentage of mixtures for acetonitrile/water and tetrahydrofuran/water?
The enthalpy of combustion for propane is -2044 kJ/mol. How many liters of propane (at STP) must be burned in order to convert 400 grams of ice initially at -9°C to liquid water at 84°C
2 Al2O3(s) → 4 Al(s) + 3 O2(g) . ?H = +3339.6 kJ/mol What is ?H for the formation of one mole of Al2O3(s) from the elements?
19.40 Calculate the pH during the titration of 30.00 mL of 0.1000 M KOH w/ 0.1000M HBr solution after the following additions of acid : (a) 0 mL (b) 15.00 ml (f) 30.10 mL (g) 40.00ml
Which of the following is correct regarding an acid-base conjugate pair. a. The conjugate base will have one less proton and one less negative charge. b. The conjugate acid will have one more proton and one less positive charge.
The solubility of slaked lime, Ca(OH)2, in water is 0.185 g/100 mL. What volume of 0.00200 M HCl is needed to neutralize 12.5 mL of a saturated Ca(OH)2 solution
A gas mixture contains 4.8 g of N2, 7.4 g of H2, and 6.6 g of CH4. What is the mole fraction of H2 in the mixture
a sample of gas in a rigid container at 30 degrees celsius and 2.00 atm has its temperature increased to 40.00 degrees
calculate the heat in joules released by the dissolving salt. Assume that the specific heat of the solution is the same as thar of pure water(4.184J/g- celcius) and that the calorimeter is perfect.
Calculate the concentration in molarity of argon in a fish tank at 25 degrees Celcius, if the pressure is 1.15atm and the mole fraction of argon in the atmosphere is 0.093. The KH for Ar at 25 degrees Celcius is 1.5*10^-3M/atm.
Consider a titration of 24.2 mL of 0.0878M solution of aqueous ammonia [Kb(NH3) = 1.8e-5] with a 0.115M of hydrochloric acid.
What volumes of 0.53 M HNO2 and 0.59 M NaNO2 must be mixed to prepare 1.00 L of a solution buffered at pH = 3.41
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