1. A 25.00 mL sample of a liquid bleach was diluted to 1000 mL in a volumetric flask. A 25 mL portion of the diluted sample was transferred by pipet into an Erlenmeyer flask and treated with excess KI, reducing the OCI to Cl", and producing I,. The liberated I, was determined by titrating with 0.09892 mol/L Na,S,O,, requiring 8.96 mL to reach the starch indicator end point. Report the %w/v NaOCl in the sample of bleach.

Q: 9. A student carried out a fractional distillation of an unknown binary (2-component) mixture from a…

A: Given is a graph, based on data from an experiment, in which 50 ml of the binary mixture was…

Q: Since NH3 gas does not dissolve at a boundary, it diffuses in N2, which does not spread. Total…

A: Total pressure PT = 1013 × 105 Pa Temperature T = 298 K Partial pressure of NH3 PA1 = 1333 × 104 Pa…

Q: A continuous single-effect evaporator concentrates 9072 kg/h of a 1.0 wt% salt solution entering at…

A: Introduction:- The heat exchanger for boiling the solution and the specific features for separating…

Q: Q2: a) A liquified mixture of n-butane, n-pentane and n-hexane has the following composition in…

A: Given: The mass of each of the species present is, mC4H10 = 50 kgmC5H12 = 30 kgmC6H14 = 20 kgmTotal…

Q: 4. How many moles of potassium bromide (KBr) are produced when 5.25 moles of KI reacts with an…

A: This question is based on mole concept. Data given : Moles of KI = 5.25 moles Excess reactant  = Br2…

Q: A gas stream containing 45%  of O2, 45%  of H2, and 10 mol% of H2O is to be dried by cooling the…

A: Given data:  Flow rate of wet gas = 100 mol/h Composition of feed is, O2= 0.45 H2= 0.45 H2O = 0.1

Q: Pressures from 101.3 to 10,130 kPa and temperatures between 0 and 100oC are to be used. (a) Devise a…

A:

Q: Calculate the bubble point temperature for a liquid hydrocarbon mix of 30% n-pentane and 70%…

A: The temperature at which a liquid-vapor mixture's first bubble of vapor appears when the temperature…

Q: 50% by mass NaOH was diluted to 10% by the addition of water. The temperature of the 50% by mass…

A: Given: 50% at 65.6 °C by mass NaOH was diluted to 10% at 37.8 °C Enthalpy change by using NaOH/H2O…

Q: 100. mol/hr of a mixture of hexane (60.0 % by mol) and acetone are fed into a flash drum and…

A: The objective of the question is to determine the total flow rates of both streams exiting the flash…

Q: Reading/References: Ch 7 and 13 [Seader, Henley, & Roper (SHR) Textbook] 1) Batch Distillation…

A: Given: Batch distillation of Ethanol and Water A  mixture of 40 % ethanol in water distilled at 1…

Q: A block of unknown metal has the following dimensions: 1cm× 1cm×3cm. The block's density is…

A: Mass of any metal is given by  Mass = density X volume

Q: Calculate the % yield for each crude solid based on the total amount of starting mixture. Starting…

A: Given: The mass of the starting mixture is given as m = 0.804 g, The mass of crude…

Basic Chemical Calculations (Process and Variables)

A basic chemical calculation involves the application of the law of chemical proportions to various reactions and material and energy balance calculations on various chemical processes. Basic chemical calculation helps students analyze various chemical processes and develop problem-solving skills. The chemical manufacturing processes are divided into unit operations involving physical changes of material and unit processes involving the chemical transformation of materials. For instance, fluid flow, heat transfer, and mass transfer are unit operations, and oxidation, reduction, and pyrolysis are unit processes.