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The Ka of a certain indicator is 6.0 x 10 ^-6 the color of Hln is green and that of ln- is red. A few drops are added to a Hcl solution, which is then titrated against a NaOH solution. At what pH will the idicator changer colors?
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Do you notice any trends or can you make any generalizations about where certain types of liquids fall on the pH scale?
Calculate the volume in milliliters of a 0.616M barium chlorate solution that contains 475.mmol of barium chlorate (Ba(ClO3)2). Round your answer to 3 significant digits.
What would an increase in the metal wire mass indicate when the metal wire starts to form copper on it from a chemical reaction from 6M HCl and copper (II) sulfate pentahydrate? What would a decrease in the metal wire ma ...
What is the chemical formula for the compound containing one nitrogen atom for every three iodine atoms.
Silver nitrate has the molecular formula AgNO3. In a 109.0 g sample of silver nitrate, how much of that mass (in g) is from the silver atoms?
A student prepared a stock solution by dissolving 20.0 g of NaOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make 65.0 mL of a final soluti ...
A sample of CaCO 3 (s) is introduced into a sealed container of volume .654 L and heated to 1000 K until equilibrium. The reaction is . K p for the reaction is3.9*10 -2 at this temperature. Calculate the mass of CaO(s ...
What is the calculation of the new temperature of a gas sample has an original volume of 740 ml when collected at 710 mm and 35 o C when the volume becomes 460 ml at 1.20 atm?
How many grams of H2SO4 must be dissolved into 0.709 L of solution to generate a concentration of 0.303 M?
How many moles of magnesium ion are present in 5.25g Mg 3 (PO 4 ) 2 ?
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