0
What else can I help you with?
How many moles of potassium chloride are there in a 100.0g sample of potassium chloride?
To calculate the number of moles of potassium chloride in a 100.0g sample, you need to divide the mass of the sample by the molar mass of potassium chloride. The molar mass of potassium chloride is approximately 74.55 g/mol. Therefore, 100.0g ÷ 74.55 g/mol = approximately 1.34 moles of potassium chloride in the sample.
To test the purity of calcium chloride you dissolve a 3.77g sample in water and add silver perchlorate to precipitate out silver chloride.?
By adding silver perchlorate, any chloride ions present in the solution will react with the silver ions to form silver chloride precipitate. The mass of silver chloride can be measured to determine the amount of chloride present, which can then be used to calculate the purity of the calcium chloride sample.
What mass of sodium would make up a 150 gram sample of sodium chloride?
Since each molecule of sodium chloride contains one sodium atom, the mass of the sodium in a 150 gram sample of sodium chloride would be the same as the mass of the sample itself, which is 150 grams.
How many chloride ions are in a sample of salt that contains 2 moles of KCl?
There are 2 moles of KCl in the sample, so there are 2 moles of chloride ions as well. Since each molecule of KCl contains 1 chloride ion, there are 2 moles of chloride ions in total.
Why nitri acid is used in chloride limit test give reason?
Nitric acid is used in the chloride limit test because it reacts with chloride ions to form insoluble silver chloride. This precipitation reaction allows for the quantitative determination of chloride ion concentration in a sample, helping to identify the presence of chloride within specified limits.
Why is it that a soluble solid sample of sodium salt does not conduct electricity?
Solid sodium chloride is neutral and nonconductive.In solution sodium chloride is dissolved and dissociated and become conductive; the same in the melt.
How can you prove that there is salt in water even though you do not see the salt?
Taste it. Try to conduct electricity. Evaporate a sample.
Can water be an electricity conductor?
Pure distilled water is not a good conductor of electricity. It is the impurities in water (usually salts) that conduct electricity. In fact, the conductivity of a sample of water can be used to measure the concentration of salts in the water sample.
What is the indicator of salt?
The indicator of salt typically refers to the presence of sodium ions (Na+) and chloride ions (Cl-) in a solution, which can be tested through various methods. One common method is using a chloride test, where silver nitrate is added to a sample; the formation of a white precipitate of silver chloride indicates the presence of chloride ions, thus indicating salt. Additionally, electrical conductivity can be measured, as salt solutions generally conduct electricity well due to the dissociation of ions.
How many moles of potassium chloride are there in a 100.0g sample of potassium chloride?
To calculate the number of moles of potassium chloride in a 100.0g sample, you need to divide the mass of the sample by the molar mass of potassium chloride. The molar mass of potassium chloride is approximately 74.55 g/mol. Therefore, 100.0g ÷ 74.55 g/mol = approximately 1.34 moles of potassium chloride in the sample.
What would you expect to see in a blood sample of a person who has drowned in salt water?
In the blood sample of a person who has drowned in salt water, you may expect to see increased levels of sodium and chloride ions due to the ingestion of salt water. Additionally, there may be evidence of pulmonary edema or fluid in the lungs due to salt water aspiration.
Where can you get a sample good conduct letter?
To test the purity of calcium chloride you dissolve a 3.77g sample in water and add silver perchlorate to precipitate out silver chloride.?
By adding silver perchlorate, any chloride ions present in the solution will react with the silver ions to form silver chloride precipitate. The mass of silver chloride can be measured to determine the amount of chloride present, which can then be used to calculate the purity of the calcium chloride sample.
How you might test a sample of an unknown white solid to determine if it was table salt sodium chloride?
One way to test for table salt (sodium chloride) is to conduct a flame test. When the sample is heated in a Bunsen burner flame, table salt imparts a yellow color to the flame. Another test is to perform a solubility test by dissolving the sample in water; table salt is highly soluble in water, producing a clear solution. Finally, you can test for the presence of chloride ions using silver nitrate solution, which forms a white precipitate of silver chloride.
What mass of sodium would make up a 150 gram sample of sodium chloride?
Since each molecule of sodium chloride contains one sodium atom, the mass of the sodium in a 150 gram sample of sodium chloride would be the same as the mass of the sample itself, which is 150 grams.
What is the weight of mag chloride?
It depends on how large or small your sample is.
How many chloride ions are in a sample of salt that contains 2 moles of KCl?
There are 2 moles of KCl in the sample, so there are 2 moles of chloride ions as well. Since each molecule of KCl contains 1 chloride ion, there are 2 moles of chloride ions in total.
