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How much water does 15.0 grams of iron(II) nitrate octahydrate lose when converted to its anhydrous salt?
Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case
Indicate whether each of the following describes the oxidizing agent or the reducing agent in an oxidation-reduction reaction: a)the substance that is reduced. b)the substance that loses electrons.
If initially: PN2 = PO2 = 0.156 atm, and PNO = 0.00, calculate the partial pressure of PNOat equilibrium.
a mixture of carbon and sulphur has a mass of 9.0 g. complete combustion with excess oxygen gives 23.3 g of a mixture
In order to maximize topographic contrast in SEM, would you use backscattered or secondary electron detector? Explain.
A quantity of gas originally held at 4.75 atm pressure in a 1.00 L container at 26 Celsius is transferred to a 12.0 L container at 20 Celsius . A quantity of O2 gas originally at 5.15 atm and 26 Celsius in a 5.10 L container is transferred to this..
An unknown 0.0500 M metal nitrate solution is either cobalt(II) nitrate or iron(III) nitrate. Both react with NaOH to form insoluble metal hydroxides. 10.00 mL of the 0.0500 M metal nitrate solution is titrated with 0.100 M NaOH solution. It took 15...
Calculate the pH of a solution made by adding 44 g of sodium acetate, NaCH3COO, to 23 g of acetic acid, CH3COOH, and dissolving in water to make 200. mL of solution
Explain it has been suggested that gold might be recovered from seawater. If seawater contains about 4 x 10-9g/L of dissolved gold, explain how many liters of seawater would have to be processed to get 1.00 ounce of gold. (1 oz=28.4 g)
1. predict the potential for the following voltaic cell at 25 ccuscuso41.09 magno30.43 magsanswer must be in volts2.
Construct a buffer to have a pH of 7.70 using HClO and NaClO (Ka = 3 x 10-8). How many grams of NaClO must be added to 1.0 L of a 0.40 M HClO solution
Charge is carried from one electrode to the other by metal atoms passing through the solution e. none of the listed choices are correct
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