Does NaCl contribute to hardness?

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Does NaCl contribute to hardness?

Name of the hardness causing salts Amount of the hardness causing salts(mg/Lit) Molecular weight of hardness causing salts Amounts equivalent to CaCO3 (mg/Lit) Mg(HCO3)2 16.8 146 16.8×100/146 = 11.50 MgCl2 12.0 95 12.0×100/95 = 12.63 MgSO4 29.6 120 29.6×100/120 = 24.66 NaCl 5.0 NaCl does not contribute any hardness to …

Does sodium contribute to water hardness?

Water softeners use an ion exchange process to replace the calcium and magnesium that cause hardness with an equivalent amount of sodium, which does not contribute to water hardness.

Does chloride cause hardness in water?

Yes, calcium chloride (or CaCl2) will cause hardness in water. This is because all water soluble salts of calcium and magnesium are known to contribute towards water hardness.

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Which salt does not contribute to hardness in water?

The commonest substances that cause hardness are soluble salts of Calcium and Magnesium. Common salt (sodium chloride) does not cause hardness because it doe snot react with soap.

Does not contribute in hardness?

Sodium does not cause hardness in water.

Does MgSo4 cause hardness of water?

which of the following does not cause hardness of water?- MgCl2, MgSo4, Ms(HCO3)2, MgCO3. MgCl2 and MgSO4 cause permanent hardness of water, while Mg(HCO3)2 and MgCO3 cause temporary hardness of water.

Does a water softener add sodium to the water?

The softener “exchanges” about an equal amount of sodium for the initial hardness. In other words, if your water test tells you that you have 18 grains per gallon hardness, installing a water softener will add about 35 milligrams of sodium to each 8 oz. glass of water you drink.

What salt is responsible for hardness?

Salts of Calcium and Magnesium are responsible for hardness of water. Bicarbonates, Carbonates, Chlorides and Sulphates of Calcium and Magnesium causes permanent hardness.

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Which ion is not responsible for hardness of water?

The substance not responsible for the hardness of water is sodium nitrate.

Which of the following dissolved salts in water causes the more hardness?

Hardness of water is mainly due to the dissolved salts of calcium and magnesium.

Which element causes hardness in water?

Hardness is caused by compounds of calcium and magnesium, and by a variety of other metals.