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Suppose that you planned to gold-plate a medallion using a 0.500M soltion of Au(no3)3 using a current of 0.50 amps over a period of 3 hours.
A. How many grams of gold would plate on the metal used for the medallion?
B. How much 0.500M Au(no3)3 solution would you need to prepare to accomplish this?
C. What is the mass of gold transferred to the medallion?
Suppose that you obtain 1.0 g of salicylic acid from the hydrolysis of 1.3 mL of methyl salicylate. Calculate your percent yield.
a mass of 2.50 g of hydrated copper sulfate is placed in a crucible and heated. On hesting, 1.59 g of white anhydrous copper sulfate is left behind. determine the ratio of water to copper sulfate.
What is the mass percent of MgO in the mixture? Assume that only the MgO reacts with CO2.
which hydroxide precipitates first as NaOh is slowly added to the solution? b) what is the molar concentration of the first cation precipitated when the other cation just starts to precipitate out of solution?
What substance ionizes nearly completely in aqueous solutions and produces hydronium ions? a weak base, strong base, weak acid, or strong acid.
The half equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted.
a sample of a binary compound of boron and chlorine weighing 2.842 g occupies .153 L. this sample is decomposed to give 0.664 g solid boron and enough gaseous chlorine to occupy .688 L at the same temperature and pressure. determine the molecular ..
The most probable mechanism of reactivity for the solvolysis of tertiary butyl chloride is a)Sn1 b)Sn2 c)E1 d)E2. I performed the experiment and benzyl chloride (primary) and teriaty butyl chloride (tertiary) ran the same amount of time. 2-chloro-..
Using the Henderson-Hasselbalch equation determine the pKa for illinic acid from the following values: At pH 9.02, the concentration of illinic acid and its conjugate base
Find reactant and product information, Balance the following reaction: Mn + HCl --> MnCl2 + H2, If you have 100g of Mn and 100g of HCl find
A sample of nitrogen gas in a 4.6-L container at a temperature of 30.°C exerts a pressure of 3.9 atm. Calculate the number of moles of gas in the sample.
Calculate the number of mmoles of primary standard grade Na2CO3. b. How many mmoles of HCl reacted with the Na2CO3? c. Calculate the molarity of the HCl solution.
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