Difference Between Hard Water And Soft Water In Chemistry Pdf
File Name: difference between hard water and soft water in chemistry .zip
School Chemistry Notes: Explaining hard and soft water.
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Hard water contains a significant quantity of dissolved minerals, such as calcium and magnesium. In general, hard water is not harmful for health. In fact, it may confer some benefits because it is rich in minerals and reduces the solubility of potentially toxic metal ions such as lead and copper. However, there are some industrial applications where hard water may lead to inefficiencies or damage to containers and pipes. In such instances, water softening methods are used.
At APEC, we strive to provide the best drinking water available to everyone. Even if it means offering a free system to those in need. Hard water As rainwater falls, it is naturally soft. However, as water makes its way through the ground and into our waterways, it picks up minerals like chalk, lime and mostly calcium and magnesium and becomes hard water. Since hard water contains essential minerals, it is sometimes the preferred drinking water. Not only because of the health benefits, but also the flavor.
Although water is typically crystal clear, it contains minerals and chemicals. This article will look at the differences between the two types of water, as well as the pros and cons of each and what to know about water softening. The hardness of water is determined primarily by the amount of calcium and magnesium it contains. Higher levels of these and other minerals make water hard. Instead of having higher levels of calcium and magnesium, soft water tends to have higher concentrations of sodium , or salt. Sometimes the feel of water and what it does to items in your dishwasher or washing machine can be a tip-off. There are no serious adverse health problems associated with drinking hard water.
Water may be sometimes be described as being hard water and soft water. The distinction rests on the amount of dissolved minerals within the water. Hard water contains a high amount of minerals, and soft water contains little to none. Water accumulates dissolved solids as it moves through rocks and other substrates, like limestone, gypsum or dolomite. Calcium and magnesium are particularly soluble in water, and if these naturally occurring minerals are within the geographical area, the residents surrounding the water source will have hard water. In the United States, areas of the East Coast generally have soft water, and those in the southwest have hard water.
Perhaps you have on occassion noticed mineral deposits on your cooking dishes, or rings of insoluble soap scum in your bathtub. These are not signs of poor housekeeping, but are rather signs of hard water from the municipal water supply. These ions do not pose any health threat, but they can engage in reactions that leave insoluble mineral deposits. These deposits can make hard water unsuitable for many uses, and so a variety of means have been developed to "soften" hard water; i. Mineral deposits are formed by ionic reactions resulting in the formation of an insoluble precipitate.
The main difference between hard and soft water is the mineral content. Minerals commonly found in hard water are chalk, lime, calcium, and magnesium. Rain water is naturally soft but picks up these minerals as it runs through the ground. Hard water can cause problems in the house. Hard Water Problems Calcium, lime, and magnesium cause the problems commonly associated with hard water.
Hard water is water that has high mineral content in contrast with " soft water ". Hard water is formed when water percolates through deposits of limestone , chalk or gypsum  which are largely made up of calcium and magnesium carbonates , bicarbonates and sulfates. Iron oxides or iron carbonates can give a reddish brown colouration to hard water deposits.
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