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Iron (III) chloride can be prepared by reacting Iron metal with chlorine. Write a balanced equation for this reaction. How many grams of iron are required to make 2.50 L of aqueous solution containing 8.00 % Iron (III) chloride by mass. The density of the solution is 1.067g/mL
understand that covalent-network solids are hard and have high melting points and that molecular solids are soft and have low melting points, but how do I determine the difference if given an chemical formula?
The ionization constant, Ka, for HOI(aq), hypoiodous acid, is 2.3 × 10-11. What is the pH of a 0.050 molar solution of sodium hypoiodite, which contains the hypoiodite ion?
Which of the following molecules would be expected to exhibit hydrogen bonding? a.methane b. hydrogen bromide c. ethanoic acid (acetic acid) d. hydrogen sulfide
If a solution is made with 0.125M magnesium nitrate, (Mg(NO3)2), and 0.100M aqueous ammonia (NH3) will a precipitate of magnesium hydroxide form Ksp= 1.1e-10 Kb= 1.8e-5
how many moles of calcium chloride, cacl2, can be added to 1.5 liters of .020 M potassium sulfate, k2so4, before a precipitate is expected? assume that the volume of the solution is not changed significantly by the addition of magnesium sulfate.
Calculate the pH of a solution resulting from mixing together the following: a) 37ml of HCL 0.1M+33ml of NaOH 0.03M b) 55ml of HNO3 0,7M+88ml of KOH 0.8M c) 170 ml of H2SO4 0,44M_29ml of NaOH 1.2M d)76 liters of HBr 0.01M+2 liters of Mg(OH)2 2.1M.
A polypeptide is completely hydrolyzed, then reacted with PITC, followed by amino acid chromatography. What information is obtained
A 20.0 mg sampele of a pesticide with a molecular mass = 385.91 was dissolved in a 5 mL volumetric flask. a 2.00 mL aliquot was withdrawn & placed in a 25 mL volumetric flask, and diluted to the mark.
A wavelength of 880 nm produces how much energy in joules per photon and kilojoules per mole of photons
What is the density of an object that has a volume of 4.5 L and a mass of 54.0 grams? choose one below: 0.083 g/L 12 g/L 1.2 g/L 12 g/mL 83 g/L
Give the number of electrons, Protons and neutrons in 24NA and give the electron configuration of the following A: A1 B: F- (- is at the top)
According to the following reaction, how many grams of oxygen gas are required for the complete reaction of 29.0 grams of hydrogen sulfide
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