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1-If 10.7 mL of 0.105 M NaOH is required to reach the first equivalence point of a solution of 0.050 M citric acid, a triprotic acid, how many mL (total) of NaOH are required to completely titrate all three of citric acid's protons?
a. 32.1 mLb. 18.0 mLc. 22.5 mLd. 5.1 mL
2-How many moles of NaOH will react completely (titrate both protons) with 50.0 mL of 0.850 M H2SO3.
a. .0425 molesb. 42.5 molesc. .0850 molesd. 85.0 moles
What is the potassium concentration of a solution formed by combining 50.0 mL of 0.400 M KCl with 50.0 mL of: a) 0.100 M PdCl6, b) 0.800 M PdCl6 , c) water, d) 0.200 M PdCl6 (If The Ksp for K2PdCl6 = 6 x 10^-10)
Write the balanced formula unit equation for the reaction of tetraphosphorus decoxide, P4O10, with water to form an acid
A reaction mixture in a 5.21 L flask at a certain temperature contains 27.1g CO and 2.32g H2. At equilibrium, the flask contains 8.63g CH3OH
A 5.0 mL sample of vinegar was titrated with 7.2 mL of 0.55 M NaOH (aq). If the density of the vinegar solution is 1.00g/mL, what is the mass percent of acetic acid
Why is it not possible to use ethanol to extract an organic compound from water even though most organics are more soluble in ethanol than in water
An open flask contains .200 mol of air. Atmospheric pressure is 745 mm hg and room temperature is 68 degrees Fahrenheit. How many moles are present in the flask when the pressure is 1.10 ATM and the temperature is 33 degrees Celsius
given that the molar mass of h3po4 is 97.994 grams determine the number of h3po4 needed to prepare 0.25 l of a 0.2m
How many liters of 13.5 molar HCl stock solution are needed to make 10.5 liters of a 1.8 molar HCl solution?
Top prepare for this week's lab, you added a KCL solution , Devarda's alloy, and MgO to your soil sample in order to analyze for mineral nitrogen. Sketch a jar containing soil and indicate hoe the nitrogen is initially present in the soil.
an experiment requires 44.0 g of ethylene glycol a liquid whose density is 1.114 gml. rather than weigh the sample on a
A piece of silver is dropped in a container of water, write net ionic equation
2H2S (g) + 3O2 (g) → 2H2O (g) + 2SO2 (g) If 3.50 G Of H2S Are Used In The Above Reaction, What Will Be The Theoretical Yield Of Water In Grams?
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