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Why is it quantitatively not acceptable to titrate each vinegar samples with NaOH titrant to the same dark pink endpoint?
At 30 degrees Celsius, the titration of a 5.0 mL sample of succinic acid required 29.56 ml of .950M NaOH. Find the concentration of succinic acid in moles/liter
what is the concentration of ammonia in a solution if 20.75ml of a .1130M solution of HCl are needed to titrate 100.0mL of that solution
How many moles of chloride were present in the unknown. d. What mass of cholride was present in the unknown? e. What was the mass percentage of cholride present int the original sample
what is the ph of a buffer if this buffer solution contains 0.12 mol of ch3ch2cooh and 0.10 mol of c3h5nao2 in 1.50
What is the concentration of Ca2+ ions in a solution of CaI2 that has I- ion concentration of 0.520 M.
Make sure that the final answer is expressed in the correct number of significant figures.
A reaction in which A, B, and C react to form products is first order in A, second order in B, and zero order in C. Which of the following most accurately represents the rate law for this reaction
nonionic solute in 50.0g of water. The solution freezes at -0.1455 degrees C. what is the molar mass of the solute?
a solution is made up by dissolving 73 g of glucose in 966 g of water. calculate the activity coefficient of glucose in
What Celsius temperature,T2 , is required to change the volume of the gas sample in Part A ( = 37 , = 1560 T1=37C, v1=1560L) to a volume of 3120 L? Assume no change in pressure or the amount of gas in the balloon. in C?
The standard free energy change for the reaction of nitrogen gas with hydrogen gas to produce ammonia is -32.9 kJ. Calculate the equilibrium constant for this reaction at 25°C.
A vessel contains 3.00 mol of Ar, 5.50 mol of CF4, and 1.50 mol of C2H6 gases. If the partial pressure of Ar is 1.440 atm, what is the total pressure inside the vessel
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