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1) Calculate the solubility of Au(OH)3 in water. (Ksp = 5.5e-46)2) Calculate the solubility of Au(OH)3 in 1.1 M nitric acid solution.
What is the approximate pH at the equivalence point of a weak acid-strong base titration if 25 mL of aqueous formic acid requires 29.80 mL of 0. 3567 M NaOH? Ka =1.8 × 10-4 for formic acid.
What volume of ethylene glycol (C2H6O2), a nonelectrolyte, must be added to 19.0 L of water to produce an antifreeze solution with a freezing point of -34.0°C
consider the following reaction where kp 2.01 at 500 kpcl3g cl2g pcl5gif the three gases are mixed in a rigid
Describe how you will separate the following mixture of ions in solution. Use complete sentences and include all the details but be brief and concise in all your procedures. Include an explanation/rationale of the reagent used, etc.
A sample with an unknown quantity of an analyte with a molecular mass of 71.24g/mol was dissolved in 250mL of ethanol. Then 5.0mL was withdrawn and diluted to 200mL.
A 25ml sample of 0.200 M HCO2H(aq) is titrated with 0.100 M KOH (aq). What is the pH at the equivalence point. (Ka of HCO2H = 1.8 x 10^-4)
For a solution of 0.10M H3PO4, calculate the concentration of all the ionic species in solution (i.e., H+, OH-, H2PO4-, HPO42-, PO43-)
purified a new protein and find that it contains 0.154 percent Mn. Assuming that there are three atoms of manganese per molecule of protein, what is the molar mass of the protein
When the solvent is removed from a sample solution, 3.0 mole of substance B, 7.5 moles of substance C, and 15.0 moles of substance A are left in the solution. What is the mole fraction of substance A in this new solution?
properties of subatomic particles.1. fill in the missing relative masses and relative charges for each of the subatomic
The statements in the following multiple choices deal with the relationship between solute concentration and various colligative properties. Choose the statement which is true.
Determine the mass of the steel bar if the final temperature of the system is twenty one degree Celsius?
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