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If 1.20 grams of sodium metal are reacted with 4.00 mL of water, how many grams of NaOH will be produced? (The density of water = 1.00g/mL)
Find the Ksp range for PbI2(s) (hint: you will need to apply the dilution formula to the concentration of Pb(NO3)2 and KI. Think about what you will need to find the Ksp and look for those pieces of information in the video.
The student then titrated 25.0 ml of the same buffer with 0.1115 M NaOH. The observed titration curve is shown below
A student studied the clock reaction described in this experiment. She set up a reaction mixture by mixing 10mL of 0.010 M KI, 10mL of 0.0010 M Na2S2O3, 20mL of 0.040 M KBrO3 and 10 mL of 0.10 M HCL.
A chemist dissolves 284 mg of pure potassium hydroxide in enough water to make up 140 mL of solution. Calculate the pH of the solution.
NaOH is added to K2CrO4 and K2Cr2O7 separately in test tubes and a color change is noted.
Calculate the pressure drop expected on hydrogenation of the mixture of 5.00 ml of cyclohexene and 35 ml of cylclohexane. I know I have to use PV=nRT but this is all I know we are starting at 60 psi of pressure.
How many moles of methane are produced when 71.1 moles of carbon dioxide gas react with excess hydrogen gas
100ml of a 0.4 mol/L acetic acid is mixed with 20ml of a 1.8 mol/L NaOH. Calculate the pH of this buffer (pka acetic acid = 4.76). What is the pH of 100mL of a solution made using 5 mL of 1 M Na2HPO4 and 5mL of NaH2PO4
Calculate the pH at the equivalence point for the titration of .25 M CH3COOH with M NaOH.
Draw a fully labeled M.O. diagram for carbon monoxide. Be sure to show the atomic orbitals that come together to form the molecular orbitals, and give the orbital type designations. You may disregard core electrons (1s electrons from the atoms).
Draw the structure of the organic product formed in the reaction of m - cresol with sodium hydroxide
What volume of glacial acetic acid (1.06g/ml) and what weigh of solid potassium acetate are required to prepare 5 liters of 0.2m acetate buffer, ph 5.0
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