how many molecules in 12 gram of ice?
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Originally Answered: How many molecules of water are in 12 grams of ice? Your answer should be: 4.01x10^23 molecules!
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There are 1(Cu) + 1(S) + 4(O) + 5(2(H) + 1(O)) = 6 + 5x3 = 21 atoms per molecule. There are Avagadro's number of Molecules / Mole. There are The molecular weight grams in a mole W gram/Mole.
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How many molecules are there in 52 g of CO? 7. 1.1 x 1024 molecules 11.
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Answer. There are 6 carbon atoms/molecule of glucose. Avogadro's constant (6.02 * 10^23) represents the number of atoms/molecules in a mole (atoms if it is a pure substance). It is required to takes place in considering 6.022x10^23 molecules.
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If I have 6.022×1023 H2 molecules, I have a mass of 2 gram of hydrogen molecules. If I have 6.022×1023 C atoms, I have (approximately!) 12 grams. The mole is thus the link between the micro world of atoms and molecules, and the macro world of grams and litres, the which we can easily measure by mass or volume.
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Here, we have to calculate the number of molecules in each sample. Therefore, 3.5 g of of H2O contains 1.169 x 1023 molecules of H2O.
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which I make to be 1.748*10^22 molecules. Quite a few! But then they are quite small. Structurally, the glucose molecule is a 6 membered ring with an overall molecular size of roughly 1nm as measured by the long axis of the cyclic form.
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1 Answer. There are 1.8021⋅1024 molecules of CH4 in 48 grams of CH4 .
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1 mole 12C = 6.022 x 1023 atoms 12C = 12 g 12C. 12C is defined to be exactly 12 g.
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10 moles of glucose contains 60 moles of C, 120 moles of H, and 60 moles of O atoms. NA molecules of glucose contains 6 x NA atoms of C, 12 x NA atoms of H, and 6 x NA atoms of O.
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From the molecular formula, C6H12O6, one can find there are 6 carbon atoms, 12 hydrogen atoms and 6 oxygen atoms in one molecule of glucose.
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Molecular mass is the mass of 1 molecule and gram molecular mass is the mass of 1 mole molecules (just to keep the numeric value same). while mass of 1 mole of water is 18 g . So thus 18 g is also known as water's gram molecular mass. You may note that the numeric value is same.
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9 grams of water is 1/2 mole which is… 3.012 x 10^23 molecules.
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There are 6.022×1023 molecules in a mole. There are 18.01528 grams of water per mole of water. These can be figured out using the concept of moles and molecular weight.
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Answer is: there are ten atoms in one molecule of antifreeze. One molecule of ethylene glycol (C₂H₄(OH)₂) has two carbon atoms, six hydrogen atoms (4 + 2 · 1) and two oxygen atoms (2 · 1).
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There are 6.022 X 1023 molecules of CO2 in a mole, enough to make the grams in the mole equal the mass...
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12.00 g C-12 = 1 mol C-12 atoms = 6.022 × 1023 atoms • The number of particles in 1 mole is called Avogadro's Number (6.0221421 x 1023).