The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in ... 4.6 gram of C2H5OH Answer: Option B. Ethanol (also called ethyl alcohol, grain alcohol, drinking alcohol, spirits, or simply alcohol) is an organic chemical compound.It is a simple alcohol with the chemical formula C 2 H 6 O.Its formula can be also written as CH 3 − CH 2 − OH or C 2 H 5 OH (an ethyl group linked to a hydroxyl group), and is often abbreviated as EtOH.Ethanol is a volatile, flammable, colorless liquid with … Solution for ethanol has the chemical formula C2H5OH or C2H6O.if 25.0g of ethanol is combusted to completion,producing onlyCO2 and H2O,calculate the grams each… It has a role as an antiseptic drug, a polar solvent, a neurotoxin, a central nervous system depressant, a teratogenic agent, a NMDA receptor antagonist, a protein kinase C agonist, a disinfectant, a human metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia … A mole is a quantity of substance. The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in. To calculate for the formula, we should multiply the atomic weights of each element to the corresponding number of moles in the compound. 1 grams C2H5OH is equal to 0.021706834440237 mole. First step, find out what is the molar mass of C_2H_5OH. of H atoms = 6 * 1.636e23 = 9.82e21 Hope this helps ^^ Break up the formula to see what elements are involved. Explanation: No answer description available for this question. The percentage composition of ethanol (C_2H_5OH) is: 52.2% of Carbon, 13.0% of Hydrogen, and 34.8% of Oxygen. Ethanol is a primary alcohol that is ethane in which one of the hydrogens is substituted by a hydroxy group. The first step to solving for the formula mass of ethyl alcohol C 2 H 5 OH is to.... See full answer below. Type in your own numbers in the form to convert the units! Molar mass is the amount of grams in one mole of substance. Structure, properties, spectra, suppliers and links for: Ethanol, Alcohol, 64-17-5, 107-19-7, 110-65-6, 1725-82-2, 2348-46-1, EtOH, C2H5OH. In the formal way we find how many electrons we have (step 1), how many each atom needs (step 2), how many of those are bonding (step 3 & 4), and how many are lone pairs (step 5). Firstly, what is molar mass? If you look into your periodic table, you can find … Let us discuss. Hydrogen = 1.01 g/mol. no. The formula mass of ethyl alcohol is 46.069 atomic mass usnits (amu). moles to molecules = multiply by avogadro's (6.62 x 10^23) a) 2.5 mol of S8 multiply by 6.62 x 10^23 = b) 7.35 mol of NH3 multiply by 6.62 x 10^23 = c) 17.5g of C2H5OH divide by atomic mass (46g) multiply by 6.62 x 10^23 = d) 32.7 g of CCL4 divide by atomic mass (154g) multiply by 6.62 x 10^23 = molecular weight of C2H5OH or mol The SI base unit for amount of substance is the mole. The atomic weight for these elements are the following. If you look closely, you can see that Carbon, Hydrogen and Oxygen are involved. Use this page to learn how to convert between grams C2H5OH and mole. of C2H5OH molecules = moles* avagadros constant = 2.717e-3 * 6.02e23 = 1.636e21 No. Note that rounding errors may occur, so always check the results. Long answer: Ethanol, C2H5OH, has 2 carbon atoms, 6 hydrogen atoms, and one oxygen atom. Hi The equation is 2C2H5OH+ 2CO2 -> C6H12O6 The question is determine the mass for C2H5OH and it's given : 750 g C6H12O6 I only have the final answer it's 390 g C2H5OH But I couldn't figured it out I solve it ( 382,381 g) Can you help me And the question is about the mass of compound not molar mass grams to moles = divide by the atomic mass. Oxygen = 16.00 g/mol. C2H5OH Lewis Structure [w/ a free video guide] There is an EASY way, and a FORMAL way to draw the Lewis structure of C 2 H 5 OH: Formal Way. Carbon = 12.01 g/mol.