how many moles are in 25.3 g of a sample of potassium nitrate?
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We assume you are converting between grams KNO3 and mole. You can view more details on each measurement unit: molecular weight of KNO3 or mol This compound is also known as Potassium Nitrate. The SI base unit for amount of substance is the mole. 1 grams KNO3 is equal to 0.0098908837702466 mole.
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One mole of U238 ( 6.022 X 10^23 atoms) is 238 grams; one mole of U235 is 235 grams.
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So, if one mole has a mass of 18 grams, 25 grams would have a mass of 25 grams/ 18 grams per mole or 1.39 moles.
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The atom ratio and the mole ratio of the elements are identical! 1-). Each nitrate ion contains one nitrogen atom and three oxygen atoms. Therefore, one mole of iron(III) nitrate contains one mole of iron, three moles of nitrogen and nine moles of oxygen.
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Divide the mass of the compound in grams by the molar mass you just calculated. The answer is the number of moles of that mass of compound. For example, 25 grams of water equals 25/18.016 or 1.39 moles.
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Convert 25 grams or g of sugar to ml. 25 grams sugar equals 30 milliliters.
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» n= 0.255 mol of H₂SO₄ are present in 25 grams of H₂SO₄.
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Answer and Explanation: There are 8.835 x 1023 molecules of NH3 N H 3 in 25 grams of NH3 N H 3 .
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Answer and Explanation: There are 1.5 moles of water in a 27 gram sample of water.
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Consider a as initial concentration of PCl5 and x be degree of dissociation. Hence, we can say moles of PCl5 added is 0.25 moles.
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The SI base unit for amount of substance is the mole. 1 grams KMnO4 is equal to 0.0063277542979072 mole.
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This means there are half a mole of nitrogen atoms in 0.25 moles of calcium nitrate. This means there are 0.5*6.022*10^23 atoms which equates to 3.011*10^23 atoms. What is the number of moles of oxygen atoms in 3.2 g of CO2?
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Answer: There are 2.77 moles of hydrogen in 25 g of water.
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2.5×10^15/6.02×10^23 = 4,2×10^-9 moles of sodium, a very small amount, unmeasurable with precision I would say.
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moles of Mg3(PO4)2 contains 0.25 moles of oxygen atom.
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There are 25 grams in 25 ml because 1 milliliter equals 1 gram.
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The number of atoms which is present in 0.25 moles of chlorine is 3.011 × 10^23.