how many moles of water are present in 36g of water?
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Part 1. There are 4 moles of hydrogen atoms in 36 grams of water, which is choice a.
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Answer : The number of moles of water produced are, 4.4 moles. By the stoichiometry we can say that, 2 moles of hydrogen gas react with 1 mole of oxygen gas to give 2 moles of water as a product.
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one mole of water contains 6.02 x 1023 MOLECULES of water.
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Number of moles=100g/ 18.02 g/ moles= 5.55 moles. drink. So, switch your drinking habits to Alkaline Water.
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We assume you are converting between moles Water and gram. You can view more details on each measurement unit: molecular weight of Water or grams The molecular formula for Water is H2O. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Water, or 18.01528 grams.
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( 1/4 of a mole) x (6.02 x 1023 atoms/mole) = approximately 1.5 x 1023 atoms. If you have a compound like H2O, then: one mole of water contains 6.02 x 1023 MOLECULES of water.
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This means that 1 mole of water weighs 18 grams. Therefore x = (6.5x1)/18 = 0.361 moles. We have 0.361 moles, so: 0.361 x 6.022141 x 10 = 2.174 x 10 molecules.
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Once we do that, we get rid of the grams of water. We find moles of water. All you have to do is just divide 75 by 18 and you'll get 4.17 moles of H2O.
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or 1 g of water contains (6.022 x 10^23)/ 18 water molecules and the number comes out to be 3.3455 x 10^22. So the number of water molecules present in 1 g of water is 3.3455 x 10^22.
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or 1 g of water contains (6.022 x 10^23)/ 18 water molecules and the number comes out to be 3.3455 x 10^22. So the number of water molecules present in 1 g of water is 3.3455 x 10^22. I hope you got the answer to your question.
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Answer. Answer: There are 2.77 moles of hydrogen in 25 g of water.
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Using Avogrado's Number Avogadro's number tells us there are 6.022 x 1023 molecules of water per mole of water. So, next we calculate how many molecules there are in a drop of water, which we determined contains 0.002775 moles: molecules in a drop of water = (6.022 x 1023 molecules/mole) x 0.002275 moles.
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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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From this you can see that 5 moles of hydrogen gas would react with 2.5 of the available 3 moles of oxygen gas, to form 5 moles of water. The molar mass of water is 18 g/mol, so you would end up with 5 x 18 = 90 g of water.
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→ there're about 6.023 x 10^23 molecules in 18g of water !
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Density of Water One drop of water is 0.05 mL of water, so its mass would be 0.05 grams. One mole of water is 18.016 grams, so in 0.05 grams, in one drop, the number of moles is: moles of water in one drop = 0.05 grams x (1 mole/18.016 grams) moles of water in one drop = 0.002775 moles.
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The liter of water has 1000 grams. The number of moles is 1000/18 = 55.556 moles.