mixture containing 30% nitric acid, 40% sulfuric and 30% water has to be made by mixing 98% pure aqueous sulfuric acid, 90% pure aqueous nitric acid and a waste acid containing 5% nitric acid, 20% sulfuric acid and the balance is water. Calculate the weight of each of the above three streams required for making 1000 kg of the required mixture.

Q: The analysis of a mixture established that it contains 32.55% Fe203 and that the per cent loss in…

A: percent on dry basis = mass of substance/ mass of dry solid x 100

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A: This question asks you to estimate the duty, cooling temperature, and product particle size…

Q: A company produce 100kg of butter cookies a day using the following ingredients: wheat flour, water,…

A: Given: 100 kg of butter cookies produced: Ingredients Ratio Wheat flour 80 Water 18…

Q: Q1. A. From the following table, estimate the energy content based on organic components once and on…

A:

Q: Q2) Find the combustion of ethyl-alcohol (C,H;OH) in a petrol the stoichiometric A/F ratio for…

A: (1) Find A/F ratios for 0.9 & 1.2 equivalence ratio (2) Find wet and dry analyses of exhaust gas…

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A: We are asked to find the mass percent of hydrogen in ethanol. first we will calculate the molar mass…

Q: Spent Acid from a stripping column contains 23% H2SO4 and 77% H2O by mass. This stream is to be…

A: Given  Percent composition of spent acid = 23% Percent composition of concentrated acid = 94 % And…

Q: What happens when a small amount of sodium hydroxide is added to a mixture of ammonia and ammonium…

A: The given mixture of ammonia and ammonium chloride is a buffer solution.

Q: Ca2, mg/L Mg¹2, mg/L Na", mg/L K', mg/L 11.6 4.2 Fe*, mg/L 9.6 Mn¹2, mg/L 0.8 a. b. C. d. 85.0 26…

A: Assuming complete dissociation of each molecules in ions, the Basic ions and acid ions can be…

Q: Classify each substance as a pure substance or a mixture. If it is a pure substance, classify it as…

A: Matter is basically classified into two types – pure matter and mixture. Now, pure matter has a…

Q: Pig iron is obtained by loading ore / flux / coke with the given compositions, since 550 kilograms…

A: Amount of flux = 550 kg Amount of coke = 600 kg Amount of raw material (pig iron) = 1 ton or 1000 kg…

Q: 1. Calculate [H*] and the pH of a tap-water sample in which [OH-]is 2.0x 10-7 M.

A: Given: OH-=2×10-7M We know that H+OH-=1×10-14MH+×2×10-7=1×10-14MH+=0.5×10-7M

Q: Typical data on the ultimate analysis of the combustible components in residential MSW Percent by…

A:

Q: phosphoric acid is usually obtained as an 85% phosphoric acid solution. if it is 15 M, calculate the…

A: Normality is given as the product of the molarity and basicity of an acidic compound.

Q: In a particular process, 2000 kg of crystalline Na2SO4.10H2O are obtained and the mother liquor was…

A:

Q: After the addition of 24 g of ethanol (C2H5OH) to 1 kg of water, the freezing point of the solution…

A: 24 g of Ethanol (C2H5OH) dissolve in 1 kg of water. Freezing point of water at normal pressure= 0°c…

Q: what will be the API of crude B?

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A:

Q: Calculate the difference between ΔU and ΔH for the burning of one mole of hexadecane (C16H34) at…

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Q: The exhaust gas from a furnace gives the following Orsat analysis: 13.6% CO2, 2.4% cO, 2.8% O2, and…

A: Basis : 100 moles of exhaust gas- hence, N2 = 81.2 moles hence O2 fed = 81.20.79×0.21 = 21.585 moles…

Q: 4. Calculate the change in pH that results from adding 25 ml of 0.010F HCI to 500ml buffer solution…

A:

Q: H.W1/ An aqueous NaCl solution is made using 126 g of NaCl diluted to a total volume of 1.15 L.…

A: The molarity of the solution is to be calculated.

Q: A brine solution containing 23.67% NaCl by mass is mixed with a weaker solution containing 2.81%…

A: Given  Mass flow rate of 23.67% solution (A) = 20.2 kg/h Weight fraction of 23.67 solution = 0.2367…

Q: A tray distillation column tower is to be designed to distill 550 Ibmol/h of a binary mixture of 50…

A:

Q: Calculate the chemical composition of a typical yard waste with and without sulfur and with and…

A: Chemical composition of yard waste is to be calculated.

Q: calculate the GCV and NCV

A:

Q: Question 3 Mixed acid is prepared by blending : (i) 125 kg, spent acid containing 11.3% HNO3, 44.4%…

A:

Q: 3.1 A spent Acid from a stripping column contains 23% H2S04 and 77% H20 by mass. This stream is to…

A: Given spent acid contains 23% 0f H2SO4 and percent of water 77%  And concentrated sulfuric acid…

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A: Hydrotreating Unit - This unit is used to remove impurities like sulfur, nitrogen etc.

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A:

Q: Ten thousand kg/h of a 10 wt% liquid solution of naphthalene in benzene is cooled from 30oC to 0oC.…

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Q: CHEERRY TO MAKE  JAM AT  the mixture is heated to evaporate water AT 140 C  until the residue…

A: Given: After removing one-third mass of water from the jam, the mass that would remain is, M = 1000…

Q: iv) Explain two reasons of having the recycle stream in the above process.

A: The stream where some part of the product is returned and this stream is mixed with the feed stream.…

Q: etermine the number of moles and the mass of sodium nitrate, NaNO3, required to produce 256 grams of…

A: This question is based on process calculation. Requirement : Mass of oxygen required  = 256 g

Q: A solution of 32.5% MgSO4 originally at 150 °F is to be crystallized in a vacuum adiabatic…

A:

Q: Q3. A. Based on the following table, what will be the chemical formula if the humidity is to be…

A: Given Overall composition of refuse in terms of C, H, O, N, S and Ash mass percentages

Q: duration of the mixing

A:

Units and Dimensions

Dimensions are the basic concepts of the measurement of quantities. Units are the means of expressing the dimensions. For instance, an area has a dimension of L2 and a unit of m2.