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A 3.5514 g of magnetite was found to contain 2.5698 g of iron and 0.9816 g oxygen. What is the empirical formula for this oxide of iron?
A solution initially 0.100 M in HOCl and 0.300 M in NaOCl. What is the pH in 0.030 mol of solid NaOH is added to 1.00 L of this solution? Assume no volume channge.
When N2O5 (g) is heated it dissociates into N2O3 (g) and O2(g) according to the following reaction: N2O5(g) N2O3(g) + O2(g) Kc= 7.75 at a given temperature. The N2O3(g) dissociates to give N2O(g) and O2(g) according the following reaction:
The concentration of this compound in the sample is 0.000030 M and the path length of the sample is 1.0 cm
(The molecular formula for X is C8H8O2), and (The empirical formula for X is C4H4O) are all true. C) The empirical formula for X is C4H4O. D) The molecular formula for X is C8H8O2. E) X has a molecular mass of 136.
aluminum has a density of 2.70g/cm3. how many cubic centimeters will 200.0 grams of aluminum occupy?
Bromine addition to trans-cinnamic acid, During bromine addition to trans-cinnamic acid, why is it necessary to maintain excess bromine in the reaction mixture
how many carbons does the sample contain
What is the theoretical yield of aspirin if 175 kg of salicylic acid is allowed to react with 118 kg of acetic anhydride?
Use the standard enthalpy change of formation data to calculate the standard enthalpy change of combustion of C5H12O.
Calculate the change in molar Gibbs free energy of tristearin when a deep-sea creature is brought to the surface (p = 1 atm) from a depth of 1.5 km. The density of sea water is 1.03 g/cm-3.
If 35.0 g each of iron and chlorine react, how much FeCl3 will be formed?
For my prelab questions I was asked "During the work up, the product layer is washed one with water, once with 5% sodium bicarbonate solution, and once again with water. What is the purpose of these washings".
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