Chemistry, 26.02.2020 21:05, jakobrobinette
Sodium carbonate is often added to laundry detergents to soften hard water and make the detergent more effective. Suppose that a particular detergent mixture is designed to soften hard water that is 3.8×10−3M in Ca2+ and 1.1×10−3M in Mg2+ and that the average capacity of a washing machine is 22.0 gallons of water. 1gallon=3.785L If the detergent requires using 0.70 kg detergent per load of laundry, determine what percentage (by mass) of the detergent should be sodium carbonate in order to completely precipitate all of the calcium and magnesium ions in an average load of laundry water.
Answers: 3
Chemistry, 22.06.2019 00:30, TMeansStupidity
Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.
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Chemistry, 22.06.2019 00:30, Bryanguzman2004
Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?
Answers: 3
Chemistry, 22.06.2019 10:00, aschool2000
Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size
Answers: 2
Sodium carbonate is often added to laundry detergents to soften hard water and make the detergent mo...
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