Q&A for How to Convert Grams to Moles

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What is the difference between moles and molecules?

Community Answer

1 mole of a substance is gram molecular mass of that substance, which contains 6.022*10^23 constituent particles (i.e. molecules). 1 mole = 6.022*10^23 molecules.

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What are the differences in atoms and molecules?

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Atoms are fundamental elements with 1 nucleus (made up of neutrons and protons), with electrons revolving around the nucleus. Molecules involve bonding between 2+ atoms, so there are 2+ nuclei in a molecule.

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How many moles of CO2 are produced when 0.300 moles of C6H12O6 are fermented?

Community Answer

C6H12O6 = 2 C2H6O (alcohol) + 2 CO2, Since 0.3 moles of C6H12O6 produce 2 CO2, then we have produced 2 x 0.3 = 0.6 moles of CO2.

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How many grams of H2SO4 are present in 0.25 mole of H2SO4?

Community Answer

Molar mass of H2SO4 is 98g/mole mass = molar mass.no of moles. 98.0.25 = 24.5 g.

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How do I convert milligrams to moles?

Community Answer

Divide the milligrams by 1000 to get x/1000 g. Then, divide the grams by molar mass to get (x/1000 g) / (y g/mol). This gives you x/(1000y) mol.

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How do I determine the number of moles of phosphoric acid that contain 2.12g of hydrogen atoms?

Community Answer

Divide the mass of the hydrogen by its molar mass (1.008), then divide that by the number of hydrogens in phosphoric acid, which is three.

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How many moles are present in 64g of oxygen?

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To find out, you would divide 64 by the molar mass of oxygen, which is close enough to 16. That would leave you with 64/16, which is 4.

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How do I calculate the weight of the sample to be taken if its molarity and molecular mass are given?

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Since moles = grams of compound/the molar mass, to find the mass, you will need to do mass = molar mass x molarity.

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How do I convert moles to grams?

Community Answer

Find the molar mass first, then multiply it to the given amount of moles.

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How do I calculate the number of electrons, protons, and neutrons of something?

Community Answer

When you have the element, you can use spur periodic table and the atomic number is the amount of protons, then the electrons is equal to the amount of electrons. Lastly the neutrons you subtract the number of protons from the elements mass number.

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How do I calculate the pH of an acid?

Community Answer

To calculate the pH of an aqueous solution you need to know the concentration of the hydronium ion in moles per liter (molarity). The pH is then calculated using the expression: pH = - log [H3O+].

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How do I convert moles to grams?

Community Answer

Mass= no.moles*molecular mass. So if you want to convert moles to grams you have to multiply the number of moles by molecular mass. For example if you want to find the mass of 2g of H2O. First you find the molecular mass of H2O which is 18 as there is 2 atoms of hydrogen and 1 atom of oxygen. The atomic mass of hydrogen is 1 and the atomic mass of oxygen 16. (2*1)+16=18. Mass of H2O= 2*18= 36 g of H2O.

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How do i find the number of H atoms in C3H6O?

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Community Answer

It is stated in the chemical formula: C3H6O contains 3 atoms carbon, 6 atoms hydrogen and one atom oxygen.

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