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Your mother asks you to wash your dirty clothes, weighing 7.5 kg (7 kg of clean clothes with 0.5 kg of total dirt), in a washing machine. You need to add water and powder for the washing to be done. You plan to use two sachets of powder (with total mass of 0.15 kg). If you want your clean clothes to be composed of 0.8% dirt and wet with 50% of the water added, leaving the drained water to be composed of 90.91% water and 6.61% dirt, find: a. Liters of water to be added. Density of water is 997 kg/m b. How heavy is the wet clean clothes in kg? c. How much is the drained water in kg. Assumptions: All powder will be going with the drained water. Nothing will be left in the washing machine.

Your mother asks you to wash your dirty clothes, weighing 7.5 kg (7 kg of clean clothes with 0.5 kg of total dirt), in a washing machine. You need to add water and powder for the washing to be done. You plan to use two sachets of powder (with total mass of 0.15 kg). If you want your clean clothes to be composed of 0.8% dirt and wet with 50% of the water added, leaving the drained water to be composed of 90.91% water and 6.61% dirt, find: a. Liters of water to be added. Density of water is 997 kg/m b. How heavy is the wet clean clothes in kg? c. How much is the drained water in kg. Assumptions: All powder will be going with the drained water. Nothing will be left in the washing machine.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Problem: Your mother asks you to wash your dirty clothes, weighing 7.5 kg (7 kg of clean clothes with 0.5 kg of total dirt), in a washing machine. You need to add water and powder for the washing to be done. You plan to use two sachets of powder (with total mass of 0.15 kg). If you want your clean clothes to be composed of 0.8% dirt and wet with 50% of the water added, leaving the drained water to be composed of 90.91% water and 6.61% dirt, find: a. Liters of water to be added. Density of water is 997 kg/m. b. How heavy is the wet clean clothes in kg? c. How much is the drained water in kg. Assumptions: All powder will be going with the drained water. Nothing will be left in the washing machine.
Transcribed Image Text:Problem: Your mother asks you to wash your dirty clothes, weighing 7.5 kg (7 kg of clean clothes with 0.5 kg of total dirt), in a washing machine. You need to add water and powder for the washing to be done. You plan to use two sachets of powder (with total mass of 0.15 kg). If you want your clean clothes to be composed of 0.8% dirt and wet with 50% of the water added, leaving the drained water to be composed of 90.91% water and 6.61% dirt, find: a. Liters of water to be added. Density of water is 997 kg/m. b. How heavy is the wet clean clothes in kg? c. How much is the drained water in kg. Assumptions: All powder will be going with the drained water. Nothing will be left in the washing machine.
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