Question
In: Chemistry
When 14.3 g of an organic compound known to be 55.81% C, 7.02% H, and 37.17%...
When 14.3 g of an organic compound known to be 55.81% C, 7.02% H, and 37.17% O by mass is dissolved in 883.2 g of cyclohexane, the freezing point is 3.98 °C. The normal freezing point of cyclohexane is 6.59 °C. What is the molecular formula for the organic compound? Assume that the organic compound is a molecular solid and does not ionize in water. Kf values for various solvents are given here.
Solutions
queen_honey_blossom answered 2 years agoRelated Solutions
When 17.5 g of an organic compound known to be 70.58% C, 5.92% H, and 23.50%...
When 17.5 g of an organic compound known to be 70.58% C, 5.92%
H, and 23.50% O by mass is dissolved in 823.5 g of water, the
freezing point is -0.290 °C. The normal freezing point of water is
0 °C. What is the molecular formula for the organic compound?
Assume that the organic compound is a molecular solid and does not
ionize in water. Kf values for various solvents are given here.
when 1.6038 g of an organic iron compound Fe, C, H and O was burned in...
when 1.6038 g of an organic iron compound Fe, C, H and O was
burned in O2, 2.9998 g of CO2 and 0.85850 g of H2O were produced.
In a separate experiment to determine the mass percent of iron,
0.2726 g of the compound yielded 0.06159 g of Fe2O3. What is the
empirical formula of the compound?
When a 0.860 g sample of an organic compound containing C, H, and O was burned...
When a 0.860 g sample of an organic compound containing C, H,
and O was burned completely in oxygen, 1.64 g of CO2 and
1.01 g of H2O were produced. What is the empirical
formula of the compound?
A 0.100 g sample of an organic compound of an organic acid contains C, H, and...
A 0.100 g sample of an organic compound of an organic acid
contains C, H, and O was combusted to determine the empirical
formula. The combustion produced 0.2921 grams of CO2 and 0.0951
grams of H2O. Determine the number of moles of carbon in the
compound, the number of moles of hydrogen in the compound, the
number of grams of carbon, the number of grams of hydrogen, the
number of grams oxygen as well as the empirical formula. The
molecular...
An organic compound contains C, H, N, and O. Combustion of 0.3069 g of the compound...
An organic compound contains C, H, N, and O. Combustion of
0.3069 g of the compound produces 0.8301 g CO2 and 0.2975 g H2O. A
sample of 0.5322 g of the compound was analyzed for nitrogen. At
STP, 30.54 mL of dry N2 (g) was obtained. In a third experiment,
the density of the compound as a gas was found to be 3.68 g/L at
143 deg C and 244 torr. Calculate the empirical formula and the
molecular formula of...
An organic compound contains C, H, N, and O. Combustion of 0.3069 g of the compound...
An organic compound contains C, H, N, and O. Combustion of
0.3069 g of the compound produces 0.8301 g CO2 and 0.2975 g H2O. A
sample of 0.5322 g of the compound was analyzed for nitrogen. At
STP, 30.54 mL of dry N2 (g) was obtained. In a third experiment,
the density of the compound as a gas was found to be 3.68 g/L at
143 deg C and 244 torr. Calculate the empirical formula and the
molecular formula of...
0.6908 g of an organic compound containing only C, H, and O was burned in excess...
0.6908 g of an organic compound containing only C, H, and O was
burned in excess of pure O2, producing 1.7604 g of CO2 and 0.4504 g
of H2O.
6.a) Calculate the number of grams of C and H in the combustion
products and therefore in the 0.6908 g of the compound. Also
calculate the number of grams of O in the 0.6908 g. Show your
work.
6.b) What is the empirical formula of this compound?
An organic compound, containing only C, H, N, has a molar mass of 162 g/mol. The...
An organic compound, containing only C, H, N, has a molar mass
of 162 g/mol. The combustion of 5.64 mg of the compound released
15.30 mg CO2 and 4.39 mg H2O. What is the molecular formula of this
organic compound?
An unidentified organic compound containing only C, H, and O was subjected to combustion analysis. When...
An unidentified organic compound containing only C, H, and O was
subjected to combustion analysis. When 228.4 g of the substance
burned in oxygen gas, 627.4 g of carbon dioxide and 171.2 g of
water were collected. Determine the mass of carbon in the original
sample and the empirical formula. Please also provide an brief
explanation for this problem in sentences. Thanks in advance
A 12.55 gram sample of an organic compound containing C, H and O is analyzed by...
A 12.55 gram sample of an organic compound containing C, H and O
is analyzed by combustion analysis and 18.40 grams of CO2 and 7.532
grams of H2O are produced. In a separate experiment, the molar mass
is found to be 60.05 g/mol. Determine the empirical formula and the
molecular formula of the organic compound.
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