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Q: What is the mass in grams of 2.60 moles of potassium chloride?
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How many moles are in 0.98 grams of Potassium chloride?

To determine the number of moles in 0.98 grams of Potassium chloride, you need to divide the given mass by the molar mass of Potassium chloride. The molar mass of KCl is approximately 74.55 g/mol. So, 0.98 grams / 74.55 g/mol ≈ 0.013 moles of KCl.


How many grams of potassium chloride are formed by the decomposition of excess potassium chlorate to yield 3.40 L of oxygen?

To determine the grams of potassium chloride formed, you first need to calculate the moles of oxygen produced by the decomposition of potassium chlorate. Then, use the stoichiometry of the balanced chemical equation to convert moles of oxygen to moles of potassium chloride. Finally, from the molar mass of potassium chloride, you can calculate the grams formed.


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.


How many moles of potassium iodide are there in 50 grams?

To determine the number of moles of potassium iodide in 50 grams, you need to know the molar mass of potassium iodide, which is approximately 166 grams/mol. By dividing the given mass by the molar mass, you can calculate the number of moles. So, 50 grams of potassium iodide would be approximately 0.301 moles.


What is the mass of 5 moles of Potassium Sulphate?

The molar mass of Potassium Sulphate (K2SO4) is 174.26 g/mol. Therefore, the mass of 5 moles of Potassium Sulphate would be 5 moles x 174.26 g/mol = 871.3 grams.


How many grams of potassium permanganate are in 2.20 moles?

To calculate the grams of potassium permanganate in 2.20 moles, you would need to know the molar mass of potassium permanganate. The molar mass of potassium permanganate (KMnO4) is about 158.034 g/mol. So, 2.20 moles of KMnO4 is equal to 2.20 moles x 158.034 g/mol = 347.67 grams of potassium permanganate.


How many moles in potassium bicarbonate?

To calculate the number of moles of potassium bicarbonate, you need to know the mass of the compound. Potassium bicarbonate has a molar mass of approximately 100.12 g/mol. Divide the mass of the sample by the molar mass to calculate the moles.


How many grams of potassium chloride are produced if 25 grams of potassium chlorate decompose into potassium chloride and oxygen?

Since the molar ratio between potassium chlorate (KClO3) and potassium chloride (KCl) is 1:1, the molar mass of KClO3 is 122.55 g/mol, and KCl is 74.55 g/mol, we can use stoichiometry to determine that 25 grams of KClO3 will produce 14.34 grams of KCl upon complete decomposition.


What is the mass in grams of 2x1012 atoms of potassium?

To calculate the mass of 2x10^12 atoms of potassium, you first need to find the molar mass of potassium (39.10 g/mol). Then, divide the number of atoms by Avogadro's number to get the moles of potassium. Finally, multiply the moles by the molar mass to find the mass in grams, which in this case would be 0.01566 grams.


Which is the mass of 8 moles of sodium chloride?

Sodium chloride has a molar mass of about 58.5 g/mol. So multiply 8 moles by molar mass to get about 468 grams.


How many grams of potassium sulfate are there in 25.3 moles?

25,3 moles of potassium sulfate hva a mass of 4,4409 kg.


What is number of grams in 3 moles of ammonium chloride?

The molar mass of ammonium chloride (NH4Cl) is approximately 53.49 g/mol. To find the mass of 3 moles, multiply the molar mass by the number of moles: 3 moles x 53.49 g/mol = 160.47 grams of ammonium chloride.