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The relative molecular mass of one of the fullerenes is 720. What is the molecular formula of this fullerene? (C=12.00

The relative molecular mass of one of the fullerenes is 720. What is the
molecular formula of this fullerene? (C=12.00

Answers

Kavungya answered the question on June 24, 2019 at 10:20

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Next: Compounds A and B have the same molecular formula C3H6O2. Compound A liberates carbon (IV) oxide on addition of aqueous sodium carbonate while compound B does not....

Previous: Calculate the mass of nitrogen present if a 25kg bag contained pure ammonium phosphate, (NH4)2 HPO4. (N = 14.0, H=1.0, P = 31.0, O =16.0

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Compounds A and B have the same molecular formula C3H6O2. Compound A liberates carbon (IV) oxide on addition of aqueous sodium carbonate while compound B does not.... (Solved)

Compounds A and B have the same molecular formula C3H6O2. Compound A
liberates carbon (IV) oxide on addition of aqueous sodium carbonate while
compound B does not. Compound B has a sweet smell. Draw the possible
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(i) Compound A
ii) Compound B

Date posted: June 24, 2019 . Answers (1)
6.84g of aluminium sulphate were dissolve in 150cm³ of water. Calculate the molar concentration of the sulphate ions in the solution. (Relative formula mass of aluminium sulphate... (Solved)

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Date posted: June 24, 2019 . Answers (1)
The relative formula mass of a hydrocarbon is 58. Draw and name two possible structures of the hydrocarbon (C=12.0; H=1.0) (Solved)

The relative formula mass of a hydrocarbon is 58. Draw and name two possible
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Date posted: June 24, 2019 . Answers (1)
The volume of a sample of nitrogen gas at a temperature of 291 K and 1.0x10⁵ Pascal’s was 3.5 x 10^-2m³. Calculate the temperature at which... (Solved)

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Date posted: June 24, 2019 . Answers (1)
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15.0cm³ of ethanoic acid (CH₃COOH) was dissolved in water to make 500cm³ of
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Date posted: June 24, 2019 . Answers (1)
When 3 litres of chlorine gas were completely reacted with element D, 11.875 g of the product were formed. Determine the relative atomic mass of element D.(Atomic mass... (Solved)

When 3 litres of chlorine gas were completely reacted with element D, 11.875g
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Date posted: June 24, 2019 . Answers (1)
During the electrolysis, a current of 0.72A was passed through the electrolyte for 15 munites.Calculate the volume of gas produced at the anode.(1 Faraday = 96... (Solved)

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Date posted: June 24, 2019 . Answers (1)
When 94.5g of hydrated Barium hydroxide Ba(OH)₂ . XH₂O were heated to a constant mass 51.3g of anhydrous Barium hydroxide. Determine the empirical formula of... (Solved)

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Date posted: June 24, 2019 . Answers (1)
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Draw and name two isomers of butane.

Date posted: June 24, 2019 . Answers (1)
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During electrolysis of aqueous copper (II) sulphate, 144750 coulombs of electricity were
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Date posted: June 24, 2019 . Answers (1)
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Sodium hydroxide pellets were accidentally mixed with sodium chloride 17.6 g
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Date posted: June 24, 2019 . Answers (1)
When a hydrocarbon was completely burnt in oxygen, 4.2g of carbon dioxide and 1.71 g of water were formed. Determine the empirical formula of the hydrocarbon (H=... (Solved)

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Date posted: June 24, 2019 . Answers (1)
100 g of a radioactive substance was reduced to 12.5 g in 15.6 years. Calculate the half – life of the substance. (Solved)

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Date posted: June 24, 2019 . Answers (1)
Ethane, C₂H₂ is another compound found in crude oil. One mole of ethane was reacted with one mole of hydrogen chloride gas and a product p1 and... (Solved)

Ethane, C₂H₂ is another compound found in crude oil.
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Date posted: June 24, 2019 . Answers (1)
Under certain conditions, hexane can be converted to two products. The formula of one of the products is C₃H₃ Write the formula of the other product (Solved)

Under certain conditions, hexane can be converted to two products.
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Date posted: June 24, 2019 . Answers (1)
Determine the molar concentration of potassium nitrate at 15⁰C (Assume there is no change in density of water at this temperature) (K = 39. 0; N=... (Solved)

Determine the molar concentration of potassium nitrate at 15⁰C
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Date posted: June 24, 2019 . Answers (1)
Ammonia sulphate is a fertilizer produced by passing ammonia gas into concentrated sulphuric acid. (i) Write the equation for the reaction (ii) Calculate the mass in Kg of... (Solved)

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Date posted: June 24, 2019 . Answers (1)
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Chlorine gas is prepared by reacting concentrated hydrochloric acids with
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Date posted: June 24, 2019 . Answers (1)
i) Iron (II) chloride reacts with chlorine gas to form substance E. Identify substance E ii) During the reaction in (i) above,6.30g of iron chloride were converted... (Solved)

i) Iron (II) chloride reacts with chlorine gas to form substance E.
Identify substance E
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Date posted: June 24, 2019 . Answers (1)
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Date posted: June 24, 2019 . Answers (1)