How many grams of I2 are present in a solution if 34.85 mL of 0.140 M Na2S2O3 solution is needed to titrate the I2solution?
How many grams of I2 are present in a solution if 34.85 mL of 0.140 M...
How many grams of KOH are present in 38.0 mL of a 5.96 M KOH solution? ?g
How many grams of CaCl2 are present in 28.0 mL of a 0.520 M solution? Express your answer using three significant figures
1. How many grams of zinc chloride are needed to make 245 mL of a 0.769 M solution? 2. Calculate the concentration of the ions present in a 3.0 M sodium phosphate solution. in coolad hon 20 3. Calculate the concentration of a solution prepared by dissolving 35.0 g of aluminum carbonate in enough water to prepare 500.0 mL of solution. 4. The A student diluted 45.7 mL of a 3.78 M aluminum carbonate solution to a final volume of...
When doing a titration of a 2.310 g sample of bleach, 11.12 mL of a 0.1117 M Na2S2O3 solution was used. How many moles of I2 reacted with the Na2S2O3? How many grams of NaOCl must have been present in the solution? (Hint: calculate moles of NaOCl that had to have been present based on the moles of I2 that were found and convert that to grams.) What is the percent by mass of the NaOCl in the bleach
(a) How many grams of solute are present in 70.0 mL of 1.33 M CoSO4? _______ g (b) If 1.50 g of (NH4)2SO4 is dissolved in enough water to form 200. mL of solution, what is the molarity of the solution? _______M (c) How many milliliters of 0.560 M NiCl2 contain 2.00 g of solute? _________ mL
How many grams of Na2CO3 are present in 13.9 mL of a solution that is 23.0% Na2CO3 by mass. The density of the solution is 1.07 g/mL.
How many milliliters of a 0.140 M potassium chloride solution should be added to 34.0 mL of a 0.310 M lead(II) nitrate solution to precipitate all of the lead(II) ion?
How many grams of Na2CO3 are present in 18.9 mL of a solution that is 27.0% Na2CO3 by mass? The density of the solution is 1.18 g/mL Number
How many grams of iodine (I2) are produced when 32.00 ml of 0.115 M NaOCl reacts with 25.0 ml of 0.175 M KI (and excess H+ )?
How many grams of potassium sulfate, K2SO4, are present in 75.4 mL of a 2.20 M K2SO4 solution?