which is the empirical formula for the compound carotene c40h56?
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Synonyms: beta,beta-Carotene; Provitamin A CAS Number: 7235-40-7 Formula: C40H56 Formula Weight: 536.87 Linear Formula: C40H56 MDL No.: MFCD00001556 Purity: >=97.0% (UV) Melting Point: 176-184 C (dec.)
301952
Hint: To calculate moles of ascorbic acid, divide the number of grams in our sample by the formula weight, 176.1 g/mol. Hint: The number of moles is: 0.010 g / 176.1 g/mol = 5.6786e-5 moles of ascorbic acid.
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The empirical formula of a compound of phosphorus and oxygen was found to be P2O5. The molar mass of this compound is 283.89 g/mol.
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Vitamin C weighs 176.1 grams and has a molar mass of 68 grams per mole. Its density measures around 1.694 grams per cubic centimeter with a melting point of 190 degrees Celsius. Vitamin C boils at 553 degrees Celsius.
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What is the molecular formula of a hydrocarbon containing 84.6% carbon by mass with a molar mass of 142.3g/mol? a)C20H44.
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These are the diatomic elements (H2, N2, O2, F2, Cl2, Br2, I2), sulfur (S8) and phosphorus (P4). The empirical formula states the simplest ratios of all the elements in the compound. For example, ethane has molecular formula C2H6 but its empirical formula is CH3.
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The given chemical compound has 2 atoms of hydrogen and one atom of oxygen for each atom of carbon. The mass of CH2O is 12 + 2*1 + 16 = 30. The molecular weight of the compound is 180.18 which is approximately 180. This gives the molecular formula of the chemical compound as C6H12O6.
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7*12+16*1=100 (the empirical formula wt) 84/100=0.84 and 16/100=0.16 This is close enough, so C7H16 is the empirical formula.
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The simplest ketone is CH₃—C(=O)—CH₃. Its molecular formula is C₃H₆O. From this formula we can say that for “n” carbon atoms we need “2n” hydrogen atoms and an oxygen atom. Hence general formula of ketone is CnH₂nO.
789609
What is the empirical formula of C4H8O2? Empirical formula represents the simplest whole number ratio of various atoms in a compound hence here n=2 and the empirical formula is C2H4O.
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Vitamin C has the chemical formula C6H8O6 and a molecular mass of 176.14 grams per mol. Vitamin C is purely the L-enantiomer of ascorbate; the opposite D-enantiomer has no physiological significance. Both forms are mirror images of the same molecular structure.
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The empirical formula of an organic gaseous compound containing carbon and hydrogen is CH2​. The volume occupied by certain mass of this gas is exactly half of the volume occupied by the same mass of nitrogen gas under identical conditions.
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So then we will have 63.52g of iron and 36.48g of sulphur. So the empirical formula of the compound is FeS. Usually FeS is also a frequent compound between Fe and S. So the chemical formula of the compound can also be FeS.
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2) What is the empirical formula of a compound that is 25.9 g nitrogen and 74.1 g oxygen? the empirical formula is CH4N. the empirical formula is CH4N.
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To determine the empirical formula of a known substance, such as glucose, we take the subscripts of the molecular formula (C6H12O6) and reduce then to the simplest whole number ratios. If we divide this by 6, we get C1H2O1. (We don't usually write the 1's, so this would be CH2O.)
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The empirical formula of P4O10 is P2O5 . We get it by dividing both subscripts by 2 . The empirical formula of B2H6 is BH3 .
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The empirical formula for the compound containing 30.4% nitrogen and 69.6% oxygen by mass is NO2. 13.