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Total hardness=(Ca2+)*(combining weight of CaCO3/combining weight of Ca2+) +(Mg2+)(combining weight of CaCO3/combining weight of Mg2+)

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What is length of a 500ml water bottle?

The length of a 500ml water bottle can vary depending on the brand and design, but on average, it is around 8-10 inches long.


Wat salt is responsible for temporary and permanent hardness of water?

Temporary hardness of water: CaHCO3, MgHCO3 Permanent hardness of water: CaSO4, MgSO4


What is difference between carbonate and noncarbonate hardness?

Carbonate hardness is the measure of hard ions associated with carbonate and bicarbonate anions contained in the water.Noncarbonate hardness is the portion of total hardness in water that is not produced by carbonates, but primarily by sulfate anions.


What are the two form of hardness found in water?

Hardness in water is usually characterised as temporary or permanent. Both are due to the presence of calcium or magnesium ions. If they are present as the hydrogen carbonate, when the water is boiled this is converted to the carbonate which precipitates out as a solid, leaving water which is no longer hard, so this is called temporary hardness. If they are present as the sulfate the solution is unaffected by boiling, and this is called permanent hardness.


Why is CaCO3 taken as reference to measure hardness of water?

CaCO3 is used as a reference for measuring water hardness because it is a common mineral that exhibits hardness properties in water. It provides a consistent basis for comparison across different sources of water. Additionally, using CaCO3 as a reference simplifies the calculation and reporting of water hardness levels.

Related Questions

What is the average water hardness in well water?

The average water hardness in well water can vary depending on the location. Generally, well water tends to have higher levels of hardness compared to municipal water sources. In the United States, the average hardness ranges from 60-180 mg/L of calcium carbonate. Testing your well water is the best way to determine its specific hardness level.


What is the length of a water bottle rocket?

The length of a water bottle rocket can vary depending on the size and design of the bottle used. On average, a typical water bottle rocket is around 2 feet (60 cm) in length.


Which does not cause hardness of water?

Magnesium sulfate (MgSo4) does not cause hardness of water.


How does boiling water affect the hardness of water?

Boiling water does not affect the hardness of water. Hardness in water is caused by minerals like calcium and magnesium, which remain in the water even after boiling.


What is length of a 500ml water bottle?

The length of a 500ml water bottle can vary depending on the brand and design, but on average, it is around 8-10 inches long.


How do you get rid of water hardness?

Salt is sometimes used to remove water hardness. Borax and soda are generally used as well to remove water hardness.


Wat salt is responsible for temporary and permanent hardness of water?

Temporary hardness of water: CaHCO3, MgHCO3 Permanent hardness of water: CaSO4, MgSO4


How many cup of water is in a regular water bottle?

1 1/2 cups, 1cup = 8oz, average water bottle is 12oz.


What is a bottle with no water?

an empty water bottle


How do you estimate hardness of water?

The water supplier can provide you the details on hardness level if you are on municipal water systems, If you are using private water then you can get tested in laboratories. You can even measure it with water hardness testing kits which you need to purchase.


What is difference between carbonate and noncarbonate hardness?

Carbonate hardness is the measure of hard ions associated with carbonate and bicarbonate anions contained in the water.Noncarbonate hardness is the portion of total hardness in water that is not produced by carbonates, but primarily by sulfate anions.


What are the two form of hardness found in water?

Hardness in water is usually characterised as temporary or permanent. Both are due to the presence of calcium or magnesium ions. If they are present as the hydrogen carbonate, when the water is boiled this is converted to the carbonate which precipitates out as a solid, leaving water which is no longer hard, so this is called temporary hardness. If they are present as the sulfate the solution is unaffected by boiling, and this is called permanent hardness.