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Assume 40 g of solid (NH4)2Fe(SO4)2 * 6H20 was used in 1 l of solution to create the solution tested. What is the theoretical % Fe in a pure sample. Assume that the molecular wt = 392.15 g/mole.
Calculate the difference in pH when 4.01 g of NaClO is added to 364.8 mL of 0.50 M HClO. Ignore any changes in volume.
The compound produced a green flame when burnt and a white precipitate formed when ethanolic silver nitrate was added. In addition, a solution of chromic acid changed from an orange color to clear as a green precipitate formed when compound was ad..
The overall formation constant for Cu(NH3)42+ is 1.1x1013 at 25oC. What is [Cu2+], in moles per litre, at equilibrium when 8.3 g Cu(NO3)2 is dissolved in 0.500 L of 1.00 mol/L NH3(aq)? Assume that there is no volume change when the Cu(NO3)2 is add..
A 2.50-L container is filled with 187 g argon. If the pressure is 10.0 atm, what is the temperature?
What is meant by a state of ‘dynamic equilibrium'? What happens to the concentration of reactants and products when a reaction reaches a state of dynamic equilibrium?
write downnbsp a lewis structure for sbcl5 and also explain does the the octet rule is obeyed by this molecule ?explain
Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the strong base KOH (aq) and the weak acid HF (aq)
What is the frequency of the photons emitted by hydrogen atoms when they undergo transitions from n=5 to n=3.
Determine the pressures of one gram (each) of gaseous H2, He, N2 and Ar, where each sample is contained in a volume of one liter at 0 degrees centigrade. Which sample has the greatest pressure under the conditions stated. Which sample has the leas..
Draw those that have a trisubstituted ring where the methyl groups are oriented meta.
A 50 mL soln. of Mg(NO3)2 is mixed with a 50 mL solution of NaOH. The resulting precipitate, Mg(OH)2, that forms is 2.97g. Determine the concentration of solution of Mg(NO3)2
What is the ionization constant of an acid if the hydronium ion concentration of a 0.500 M solution is 1.70 x 10-4 M
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