what is the empirical formula of a hydrocarbon with 79.9 carbon by mass?
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Explanation: 89.9%×120.0 gmol = 107.9 gmol C . Divide thru by the atomic mass of C , 12.011gmol = 9 . Therefore the empirical formula is C9H? .
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From the empirical formula, you can work out the molecular formula if you know the relative formula mass (M r) of the compound. Add up the atomic masses of the atoms in the empirical formula. For example, the empirical formula of a hydrocarbon is CH 2 and its M r is 42.
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The empirical formula of the compound is CH2O, which has two numbers of atoms of hydrogen, and one atom of oxygen for each carbon. The mass of CH2O = 12+2*1+16 = 30. The approximate molecular weight of the compound is 180. So, the molecular formula of the given compound is C6H12O6.
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The empirical formula of a compound is NO2. Its molecular mass is 92 g/mol.
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Converting the empirical formula to a molecular formula Add up the atomic masses of the atoms in the empirical formula. For example, the empirical formula of a hydrocarbon is CH 2 and its M r is 42. The molecular formula of the hydrocarbon is therefore C 3H 6.
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Add up the atomic masses of the atoms in the empirical formula. For example, the empirical formula of a hydrocarbon is CH 2 and its M r is 42. the mass of the atoms in the empirical formula is 14. 42 ÷ 14 = 3. so you need to multiply the numbers in the empirical formula by 3.
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The answer is 62.06784. We assume you are converting between grams C2H6O2 and mole. You can view more details on each measurement unit: molecular weight of C2H6O2 or mol The SI base unit for amount of substance is the mole. 1 grams C2H6O2 is equal to 0.016111403264557 mole.
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The empirical formula is C3H4O3, so the empirical formula weight is 88. We know the molar mass is 176. So we know that there are two empirical equivalents in a molecule (176 / 88 = 2.00). Therefore, the molecular formula is C6H8O6.
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Answer and Explanation: The empirical formula for C4 H10 is C2 H5 . We can simplify the molecular formula C4 H10 , which is the formula for butane, by dividing the formula...
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Answer and Explanation: The empirical formula for C4 H10 O2 , a chemical known as butanediol, is C2 H5 O.
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Empirical formula C7H4O2 (ℳ = 240.20 g/mol) 🤓 Based on our data, we think this question is relevant for Professor Brown's class at TAMU.
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Answer and Explanation: There are 2.9 grams of hydrogen in 23 grams of CH4O C H 4 O . First, determine the moles of CH4O C H 4 O by dividing the mass by the...
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Answer and Explanation: The empirical formula for C6H6 C 6 H 6 , also known as benzene, is CH. The key to finding the empirical formula of a chemical is to look for...
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You can view more details on each measurement unit: molecular weight of Carbon or mol The molecular formula for Carbon is C. The SI base unit for amount of substance is the mole. 1 grams Carbon is equal to 0.083259093974539 mole.
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The empirical formula of a compound represents the lowest whole number ratio of elements in the compound. For C6H12O6, divide the subscripts by 6. This gives the empirical formula as CH2O.
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What is its empirical formula?” Since 82.66 + 17.34 = 100.00, this compound is a hydrocarbon, with no other element present.
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Its empirical formula is CH2. One molecule of ethylene (molecular formula C2H4) contains two atoms of carbon and four atoms of hydrogen. Its empirical formula is CH2.