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If 48.0 g of iodine are reacted with an excess of phosphorus according to the following chemical equation:
2 P(s) + 3 I2(s) → 2 PI3(s)
Calculate the theoretical yield of PI3.
If the actual yield of PI3 is 50.0 g what is the percentage yield?
question what is the hydronium ion concentration and the ph of a solution formed when 30ml of 0.30m hno3 is titrated
Just transfer this solution completely to a flask of 1L volumetric and dilute to exactly 1 liter and then compute the Fe 2+ ion concentration.
Q1: Describe each of the following equations in terms of ( 1) number of particles and ( 2) number of moles: a. 2Al(s) +3Cl2(g)à 2AlCl3(s) b. 4HCl(g) + O2(g) à 2Cl2(g) + 2H2O(g)
Alfred bought a new graduated cylinder for his chemistry class. It holds 416 milliliters of liquid. If the cylinder has a radius of 4 cm, then how tall is the cylinder?
Calculate the molarity for: A.0.5g CO2 in 652 g of water. B. 56g of NH3 in 500 g of water. C. 3.21 g of NaOH in 3405 ml of water.
Write a balanced chemical equation for the neutralization reaction upon which this titration is based, and indicate clearly which atom is being protonated. Then, calculate the equilibrium constant for the neutralization reaction.
At 25 degrees C and constant pressure, carbon monoxide gas combines with oxygen gas to give carbon dioxide gas with the evolution of 10.1 kJ per gram of carbon monoxide consumed. What is the value of ^H for the balanced reaction?
which produce no significant response to interfering ions. It is then used to measure the pH of 0.0100 M NaOH in 0.50 M NaCl at 25 degrees C. What is the observed pH under these conditions if the true pH is 1.13?
Explain what volume (L) of NH3 gas at STP is produced by the complete reaction of 7.5 g of H2O according to the following reaction
Writing a lab report on Complexion of Metal Ions with EDTA. We initially prepared an EDTA solution with target concentration of 0.05 M, and titrated that solution by NaOH (known concentration). The second "pathway" used to determine exact concentrati..
which of the following would not be a suitable solvent for a grignard reaction and why? hexane methanol dimethyl ether
The enthalpy change when 1 mol methane (CH4) is burned is -890 kJ. It takes 44.0 kJ to vaporize 1 mol water. What mass of methane must be burned to provide the heat needed to vaporize 1.00 g of water
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