0.634 g of commercial bleach solution required 13.24 ml. of 0.0732 M sodium thiosulfate(Na2S203) solution to react with the lodine produced. what is the percent by mass of chlorine in this bleach sample? (MM CI2=70.9 g/mol) O 21.7% O 5.42 % O 3.43 % O 10.84%

Q: Calculate the percentage of sodium (% Na) in sodium chromate (Na2CrO 4). Report your answer to three…

A: 1 mol sodium chromate (Na2CrO4) has 2 mol of sodium ( Na) molar mass of Na2CrO4 = 161.97 molar mass…

Q: Calculate the mass percent of solute in each solution. Calculate the mass percent of 3.87 g KCl…

A: The mass percent of an element in a compound is the percentage ratio of the mass of the element by…

Q: What volume of 0.28 M H2SO4 can be prepared by diluting 113 mL of 5.9 M H,sO,? L

A: Intial concentration = M1 = 5.9 M  Intial volume = V1 = 113 mL  Final concentration = M1 = 0.28 M…

Q: . Describe the preparation of 500.0 ml of 0.0400 M BaCl2 from a 1.04 M solution of BaCl2.

A:

Q: The amount of NAOH present in 0.1 M solution of it having volume 2 litres is O 160 g O 80 g O 40 g O…

A: Molarity of NaOH = 0.1 M = 0.1 mol/L Volume of solution = 2 L   Molarity = moles / volume of…

Q: Write a balanced net ionic equation for the formation of a precipitate when solutions of BiF3 and…

A:

Q: e 6.00 L of 0.120 M HCIO4 from the commercial reagent [71.0% HCI04 (w/w), sp gr 1.67]. Take mL of…

A:

Q: Write the balanced NET ionic equation for the reaction when LiCl and Na₃PO₄ are mixed in aqueous…

A:

Q: 2. "Describe the preparation of 2.50L of 0.500 M HCIO4, starting with a 9.00 M solution of the…

A: Dilution equation is as follows, M1V1 = M2V2 M1 = Initial Molarity (stock solution) V1 = Initial…

Q: Calculate the percentage of NaOCl Mass of NaOCl in sample: 0.8933g Net Volume of Na2S2O3: 24mL…

A:

Q: What is the mass in grams of potassium dichromate(K2Cr207) are required to prepare a 350 cm3…

A: For this , molarity can be calculated as -  Molarity = no. Of moles of solute/ Volume(in litre) From…

Q: Reduction of 4.00 g of metal oxide with oxidation number +2 to metal produces 1.80 g of water.…

A: The reaction can be given as follows: MO+2H2→MH2+H2O The mass of metal oxide (MO) is 4.00 g The mass…

Q: 11.50.0 g of silver nitrate is mixed with 50.0 g of hydrochloric acid in a water based solution. A…

A:

Q: Vanadium can be obtained by processing VO2 Which is 61.42% vanadium and 38.58 % Oxygen What mass of…

A: The mass percent of vanadium in vanadium(IV) oxide is = 61.42 % The required mass of vanadium is =…

Q: Chlorine is used to make bleach solutions containing 5.25% NaClO (by mass). Assuming 100% yield in…

A:

Q: From the information below, determine the mass of NH3 in 500 grams of concentrated ammonia?Ammonia,…

A: The ammonia solution is 28% by mass of solute; this means that 100 mL of the solution contains 28 g…

Q: A solution was prepared by dissolving 0.000245 Kg of H2SO4 in water to give 500 ml. Calculate he…

A:

Q: Household laundry bleach is a dilute solution of potassium nitrate (KNO3) mixed with water. How many…

A:

Q: om/ilmn/takeAssignment/takeCovalentActivity.do?locator-assignment-take What is the molarity of the…

A: As we know ,   Moles the solute remains same on dilution but volume of the solution increases.…

Q: Identify the compound with covalent bonding. please provide step by step solution.   LiI Ne KF H2Se…

A: Ionic bond - electronegativity of corresponding atoms greater than 2.1  Covalent bond  -…

Q: What is the mass in grams of Na2CO3(s) (molar mass = 105.98 g/mol) that, when dissolved in 104 mL of…

A: Molar mass of Na2CO3 = 105.98g/mol Volume of water = 104mL Molarity ,M = 0M

Q: Calculate the mass % of sodium, Na, in Na2Se. a.) 39.3 % b.) 18.4 % c.) 36.8 % d.) 22.5 % e.)…

A: % Mass of Na = 100 x Mass of Na/Molar mass of Na2Se

Q: An impure sample of table salt that weighed 0.8631 gg   when dissolved in water and treated with…

A: Given mass of impure sample = 0.8631 g mass of AgNO3 formed = 2.040 g

Q: Given: 0.35g NaCl, 0.25 g NaHCO3, 0.15 g KCI & 2 g C6H1206 are present in 100 mL ORS solution (MW:…

A: