Acrylonitrile is an important building block for synthetic fibers and plastics. over 2 billion pounds of acrylonitrile are produced in the united states each year. the compound is synthesized from propene in the following reaction: 2c3h6 + 2nh3 + 3o2 → 2c3h3n + 6h2o what mass of acrylonitrile can be prepared from 550.0 kg of propene, 650.0 kg of ammonia, and 900.0 kg of oxygen? acrylonitrile is an important building block for synthetic fibers and plastics. over 2 billion pounds of acrylonitrile are produced in the united states each year. the compound is synthesized from propene in the following reaction: 2c3h6 + 2nh3 + 3o2 → 2c3h3n + 6h2o what mass of acrylonitrile can be prepared from 550.0 kg of propene, 650.0 kg of ammonia, and 900.0 kg of oxygen?

There can be prepared 693.512 kg of acrylonitrile

Explanation:

Propene has molar mass of 42.08g/mole

ammonia has molar mass of 17.03g/ mole

O2 has molar mass of 2*16 = 32g/mole

acrylonitrile has molar mass of 53.06g /mole

Step 1: finding limiting reagent

2C3H6 + 2NH3 + 3O2 → 2C3H3N + 6H2O

We see that the ratio 2:2:3:2:6 is

This means that for 2 mole C3H6 we have 2 mole 2NH3 and 3 mole 3O2, also there will be produced 2 mole C3H3N and 6 mole H2O

Step2 : Calculating moles

moles propene: 550000g / 42.08g/mole = 13070.34 moles

moles ammonia: 650000g/ 17.03g/mole = 38167.94 moles

moles O2: 900000g/ 32g/mole = 28125moles

The limiting reagent is propene:

⇒propene will be consumed completely

⇒ammonia will consume 13070.34 moles ⇒ there will remain 25097.6 moles

⇒oxygen will consume (2/3 * 13070.34) = 18750moles ⇒ 9375 moles will remain

Step 3: Calculating moles of acrylonitrile

There will be formed 13070.34 moles of acrylonitrile

mass acrylonitrile = 13070.34 moles * 53.06g/mole =693512.24g = 693.512kg

There can be prepared 693.512 kg of acrylonitrile

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