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2 years ago

Determine the molecular formula of a compound with an empirical formula of NH2 and a formula mass of 32.06 amu

Chemistry

2 answers:

Lilit [14]2 years ago

4 0

N2H4

Each nitrogen weighs 14.01 and each H weighs 1.01. !4.01+14.01+1.01+1.01 = 32.06 (roughly)

NemiM [27]2 years ago

3 0

Answer:N2H4

Explanation: Empirical Formula, EF= NH2

Mass of the EF = mass of Nitrogen + mass of Hydrogen

EF = 14.007 + 1.008

= 15.015

Then, divide the given formula mass by the EF. That is,

32.06/15.015 = 2.135 = 2 (to the nearest whole number) ......... (1)

To get the molecular formula, multiple the empirical formula with the number from the equ (1) above.

Molecular formula = 2[NH2] = N2H4

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What is the minimum mass of magnetite (Fe,O2), a iron ore, from which 120. g of pure iron could be extracted? Be sure your answe

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Answer:

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Step 1: Write the reaction for the obtaining of Fe from magnetite

Fe₃O₄ ⇒ 3 Fe + 2 O₂

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Step 3: Calculate the moles of Fe₃O₄ required to produce 2.15 moles of Fe

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3 years ago

2. What do you get when you add the following

irga5000 [103]

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Answer:

(1) Carbon + (1) Oxygen = Carbon monoxide (CO)

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Carbon monoxide (CO), an odorless, colorless gas, which can cause sudden illness and death, is produced any time a fossil fuel is burned.

https://www.cdc.gov/co/default.htm

b. one carbon and two oxygen?

Answer:

(1) Carbon + (2) Oxygen = Carbon dioxide (CO2)

Explanation:

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.

https://www.britannica.com/science/carbon-dioxide

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https://pubchem.ncbi.nlm.nih.gov/compound/carbon_tetrachloride

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