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What can you find dissolved in large quantities in hard water?
Usually calcium & magnesium ions.
Name two compounds which are covalent when pure but ionise to give ions when dissolved in water?
Many common salts are covalently bound when together but dissolve into constituent ions when dissolved in water. Two examples are sodium chloride and calcium chloride.
Components of mineral water?
In the United States mineral water is defined as water containing about 250 parts per million of dissolved solids. The dissolved solids are just calcium and magnesium ions.
How many calcium ions in one mole?
A mole of calcium has 6.022 X 1023 calcium ions.
What are two ions that are needed for nerve transmission?
Not minerals, it is ions. Calcium ions and sodium ions.
What can you find dissolved in large quantities in hard water?
Usually calcium & magnesium ions.
A sample of tap water consists of water fluoride ions calcium ions and several other dissolved ions. Are the ions evenly distributed throughout the water?
Yes
What ions are present in hard water if it contains calcium chloride dissolved in distilled water?
ya mamHard water contains calcium and magnesium ions that cause hard water stains and limescale formation.
A sample of tap water consists of water fluoride ions calcium ions and several other dissolved ions The ions are evenly distributed throughout the water Which term or terms could be used to descr?
Homogenous. AkA solution.
What materials would be present in a calcium and chloride solution after it has dissolved in water?
It contains Ca2+ ions Cl- ions and water molecules . The word material is not used for ions . The word material often used for solids
Equation showing the formation of scum when soaps are dissolved in hard water?
Sodium Stearate + Ca2+ and Mg2+ = Calcium Stearate + Na+ Ions (Soap) (Dissolved in water) (Soluble in water)
Name two compounds which are covalent when pure but ionise to give ions when dissolved in water?
Many common salts are covalently bound when together but dissolve into constituent ions when dissolved in water. Two examples are sodium chloride and calcium chloride.
Do acids create hydroxide ions when dissolved in water?
No, acids do not create hydroxide (OH-) ions when dissolved in water. Acids create Hydrogen (H+) ions when dissolved in water.Bases create hydroxide ions when dissolved in water.
Components of mineral water?
In the United States mineral water is defined as water containing about 250 parts per million of dissolved solids. The dissolved solids are just calcium and magnesium ions.
What forms when groundwater that contains dissolved minerals cools or evaporates?
Mineral deposits are formed when ground water that contains dissolved minerals are cooled or has evaporated. Some of these mineral deposits are iron ions, magnesium, and calcium.
How many calcium ions in one mole?
A mole of calcium has 6.022 X 1023 calcium ions.
When electrolytes are dissolved in water do they produce ions?
Yes. Electrolytes dissolved in water produce ions.
