how many moles should i have?
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Number of Moles Although common moles are pretty normal and shouldn't always be a cause for concern, having more than 50 common moles on your body puts you at a drastically increased risk of skin cancer.
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A mole of a substance or a mole of particles is defined as exactly 6.02214076×1023 particles, which may be atoms, molecules, ions, or electrons. In short, for particles 1 mol = 6.02214076×1023.
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Moles: What to Look For and When to Worry. Moles are mostly determined by genetics, though sun exposure and tanning bed use can cause you to form new moles or make your existing moles darker. Moles may also change during puberty and pregnancy, as well.
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One mole (abbreviated mol) is equal to 6.022×1023 molecular entities (Avogadro's number), and each element has a different molar mass depending on the weight of 6.022×1023 of its atoms (1 mole).
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This means that one mole of aspirin will have a mass of 180.157 g . Now that you know how many moles of aspirin you have in your sample, use the fact that one mole of a substance contains 6.022⋅1023 molecules of that substance - this is known as Avogadro's number.
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For phosphorous or any chemical compound, a mole contains 6.022⋅1023 molecules in it. So if you have 1.20⋅1025 (that's what I assume you meant) atoms of phosphorous, then just divide by Avogadro's number to find the number of moles.
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The answer is 100. We assume you are converting between centimole and mole. You can view more details on each measurement unit: cmol or mole The SI base unit for amount of substance is the mole. 1 cmol is equal to 0.01 mole.
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Moles vary significantly in numbers and size between individuals. The average number of moles in people with white skin is 30 but some people may have as many as 400. Some moles may be 2mm in diameter whilst others are well over 5mm.
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Fraction of a mole * Atomic weight = weight or mass you have To start, you need know that all a mole means is you have 6.022 x 1023 atoms of that type. So if I tell you I have a mole of nitrogen, then I have 6.022 x1023 nitrogen atoms. That ugly number is called Avogadro's Constant, NA.
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There are 1000 millimoles per mole: 1 mole = 1000 millimoles. Another way of expressing the relationship is 1/1000 moles = 1 millimole.
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Avogadro's number, 6.022⋅1023 . This is what a mole actually means, a very, very large collection of molecules. So, in order to have a mole of sugar, for example, you need to have 6.022⋅1023 molecules of sugar.
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Explanation: 1:one mole is=0.02× 10^23 of anything ,so mole of atoms is 0.02×10^23.
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['Multiply the volume by the density to get the mass.', 'Divide the mass by the molar mass to get the number of moles.']
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The mole, abbreviated mol, is an SI unit which measures the number of particles in a specific substance. One mole is equal to 6.02214179×1023 atoms, or other elementary units such as molecules.
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Answer: For 1: 3.3 moles of oxygen gas is required. For 2: 14 moles of hydrogen gas is required.
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The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles C5H12, or 72.14878 grams.
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A mole of a substance or a mole of particles is defined as exactly 6.02214076×1023 particles, which may be atoms, molecules, ions, or electrons.