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Explain what is the molar solubility of AgCl in 1.0 M K2S2O3 if the complex ion Ag(S2O3)23- forms. The Ksp for AgCl is 1.8 *10(-10) and the Kf for Ag(S2O3)23- is 2.9*1013.
determine the volume of a cube 10,62 cm, give an example of four sets of measurements that illustrate an imprecise and inaccurate data
A 0.6815g sample of alum is heated to drive off the waters of hydration, and the resulting KAL(SO4)2 weighs 0.3709 g. Determine the value of x AND the complete formula of alum.
Calculate the percent by mass of the solute CH2Cl2 in a solution made by mixing 453 mL of methylene chloride to 2.36 L of the solvent acetone
a 45- piece of ice at 0 is added to a sample of water at 22. all of the ice melts and the temperature of the water
Find the name of hazardous chemicals and write formula and how will handle these hazardeous chemical in the lab from below ammonia, bleach, dish detergent, hand sanitizer, hand soap, lemon juice, shampoo, codium bicarbonate, vinegar, sodium hydrox..
The pH of a 0.25 M aqueous solution of hydrofluoric acid, HF, at 25.0 °C is 2.03. What is the value of Ka for HF
Calculate the vapor pressure (in torr) at 298 K in a solution prepared by dissolving 19.1 g of the non-volatile non-electrolye urea {CO(NH2)2} in 108 g of water.
Calculate the number of [CH2CHOH] monomer units in the average strand of PVA (78,000 g/mol).
What is the atomic mass of unknown element X if it has the following isotopic composition.
What would be the effect on the results of mistakenly adding 2.43 x 10^-3g Mg to 4.0mL of 0.1M HCl, rather than to 4.0mL of 1.0M HCl as instructed
How much energy is required for an electron in a Hydrogen atom to make a transition from the n=2 state to the n=3 state. What is the wavelength of a photon having this energy
Calculate the pH and pOH of a solution of HI made by dissolving 3 x 10 ^-5 moles of HI (a strong acid) in 570 mL of water.
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