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Calculate the mass of precipitate that forms when 250 mL of an aqueous solution containing 35.0g of lead (2) nitrate reacts with excess sodium iodide solution by the following reaction.
Pb(NO3)2 (aq) + 2NaI (aq) = 2NaNO3 (aq) + PbI2 (s)
consider the titration of 100.0 ml of 0.200 m acetic acid ka 1.8 10-5 by 0.100 m koh. calculate the ph of the
The subsequent reaction has a Kc = 1.20 x 10-6 at 300 K. If the initial concentrations of Ao = 0.200 M and Bo = 0.100 M, Define what is the equilibrium concentration of C. A+B ->
What are the spectator ions in the solution after completely precipitating an insoluble hydroxide compound when mixing KOH (aq) and FeCl2 (aq)
Consider the titration of 100ml of .100M H2NNH2 (Kb=3.0*10^-6) by .200 M HNO3. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added
Suppose you were asked to prepare 20.0 Litres (about 5 gallons) of 0.100 M H2SO4 solution for all the chem 1411 labs doing this experiment.
The following five beakers, each containing a solution of sodium chloride (, also known as table salt), were found on a lab shelf
When adjusted for any changes in and with temperature, the standard free energy change at 2400 is equal to . Calculate the equilibrium constant at 2400.
What is a possible formula
The voltage across the leads of a glass pH-reference combination electrode immersed in a solution of pH 8.00 was 133 mV. Calculate the expected voltage if the pH of the solution is raised to 9.00
Explain ammonia reacts with oxygen at 120 degrees Celsius to form nitrogen monoxide as well as water in a sealed 40-L container. Explain when 34 g of ammonia reacts with 96 g of oxygen Explain what is the partial pressure of the nitrogen monoxide
Calculate the amount of heat transferred when 7.10 g of Mg(s) reacts at constant pressure with excess oxygen. How many grams of MgO are produced during a run of this reaction which experiences an energy change of - 234 kJ
Does the information in the EU CLP classification database agree with the pictogram in the supplier SDS? If not, what pictograms do you think should be on the supplier SDS?
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