How do you convert moles?
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I need to find out how to convert the number of moles to grams, atoms, and number of molecules. please help!
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Answer:
To convert from moles to grams: Start by writing the unit you want to end up with at the start. You ALWAYS need the molar mass of the element or molecule for this conversion: Eg: 2.3 moles of C02---(the molar mass is 44.01 g/mol) g= 44.01g 2.3 mol ----------- X ----------- = (the moles will cross out, ending with grams) mol 1 and then u simply do the calc. 44.01X2.3 mol to atoms and number of molecules: U ALWAYS NEED AVOGADGRO's number= 6.02x10^23 particles /mol *(note: particles can be atoms)...u also need the molar mass if the question has 'grams' in it, if it doesn't then you dont need it*** eg: 234g of H20----molar mass i think it's 18.02 g/mol #atoms= 234 g mol 6.02x10^23atoms ---------- x --------- x -------------- = (all units will cancel, 1 18.02 g mol leaving u with atoms) then u simply do the calc. Hope this helps!!~Good Luck!
Anton J at Yahoo! Answers Visit the source
Other answers
Moles to Grams You would need to multiply the molar mass of the compound with the number of moles. E.g 32.00 g/mol * 1 mol = 32 g Moles to atoms You need to multiply the number of atoms within the compound with the number of moles E.g 2 atoms * 6.04 *10^23 = 12.08*10^23 atoms Moles to number of molecules You need to multiply the number of moles by Avogadro's number E.g 1 mol * 6.04 * 10^23 = 6.04*10^23 All of the calculations were done with the molar mass and the number of atoms of/in oxygen gas (02)
Sangha J
moles=(mass/molar mass)
Lena
Use the following data- 1 mole=22.4 litres 1 mole=6.023 into 10 raised to the power of 23 molecules 1 mole=1 gram molecule of any substance
NSangh
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