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How many milliliters of 0.220M Na2S2O3 solution are needed for complete reaction with 2.401g of I2 according to the equation below?I2(aq)+2S2O3^2-(aq)------>S4O6^-2(aq)+2I-(aq)
A bottle of 5.5 M acid has 21.3 mL remaining in it. If the acid is diluted to 700 mL, what is the new concentration of the acid?
Osmosis occurs when the solvent molecules move from a solution of higher solute concentration to a solution of lower solute concentration.
What will happen to the acetate concentration in equilibrium, [HC2H3O2]-> [H^+]+[C2H3O2^-], when sodium acetate is added
If 3.8kcal of energy is released when 1 gram of glucose is combusted, how many kcals are released when 0.689 moles of glucose are combusted
What is the maximum age of a sample that can be measured by 14C dating if the error of measurement is 0.5%
At a certain temperature, Kw = 1 x 10-13. This means that pH + pOH = 13 at this temperature. Given this, what is the pOH of 0.05 M Ba(OH)2 at this temperature
tablets of ki were distributed to people living around chernobyl seven days after the nuclear reactor explosion
at room temperature more of the collisions have sufficient energy to produce a reaction. the piece of zinc needs to be bigger at 4 deg c.
Determine the number of sulfate ions in 2L of a 0.5M CaSO4 aqueous solution. Then, determine the number of calcium ions dissolved in the same aqueous solution.
A mole of CH4 expands reversibly from 1 to 50 L at 25 degrees Celsius. Calculate the work in Joules assuming 1) the gas is ideal and 2) the gas obeys the van der Waals equation. For CH4 (g), a = 2.283 L^2 bar mol^-2 and b = 0.04278 L mol^-1
The freezing point change is ?1.9°C. a) Calculate the number of moles of solute in the solution. b) Calculate the molar mass of the solute.
Do the same to show the formation of both elimination products from 2-bromo-2methylbutane (page 208 lists the two products as 2-methyl-1-butene and 2-methyl-2-butene.)
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