chemistry

posted by .

what is the mass of 1.22x10^23 molcules of carbon dioxide(co2) and silicon dioxide(Sio2)?

  • chemistry -

    1)divide 1.22x10^23 molecules by Avogadro's number to convert to moles
    2)multiply by molar mass of CO2 to convert to grams

    (1.22x10^23 molecules)(1mol/6.022x10^23 molecules CO2)(___g CO2/1mol)

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry

    If 50.0 g of silicon dioxide is heated with an excess of carbon, 27.9g of silicon carbide is produced. SiO2(s) + 3C(s) --> SiC(s) + 2CO(g) what is the percent yield of this reaction?
  2. chemistry

    what is the mass of 1 mole of carbon dioxide (CO2), and silicon dioxide (SIO2)?
  3. CHEM

    Silicon carbide, commonly known as carborundum, is a very hard and abrasive substance. The compound is prepared by heating silicon dioxide in the presence of graphitic carbon: SiO2(s) + 2C(s) --> SiC(s) + CO2(g) How many grams of …
  4. Chemistry

    When 50.0g of silicon dioxide is heated with an excess of carbon 32.2 g of silicon carbide I'd produced. SiO2(s) + 3C(s) → SiC(s) + 2CO(g) A. What is the percent yield of this reaction?
  5. chemistry

    Silicon carbide is one of the hardest materials known. It is often known commercially as carborundum. Silicon carbide is used primarily as an abrasive for sandpaper and is manufactured by heating common sand (silicon dioxide, SiO2) …
  6. Chemistry

    Silicon carbide, commonly known as carborundum, is a very hard and abrasive substance. The compound is prepared by heating silicon dioxide in the presence of graphitic carbon: SiO2(s) + 2C(s) --> SiC(s) + CO2(g) How many grams of …
  7. chemistry help

    When carbon dioxide and carbon react the balanced equation is Co2+C--------------2Cq Calculate the mass of carbon monoxide formed from 4.4g of carbon dioxide
  8. Chemistry

    Silicon carbide (SiC) is made by reacting sand (Silicon dioxide, SiO2) with powdered carbon at high temperature. Carbon monoxide is also formed. What is the percent yield if 51.4kg of SiC is recovered from processing 100.0kg of sand?
  9. chemistry

    1. Silicon dioxide reacts with carbon upon heating to produce silicon carbide (SiC) and carbon monoxide. SiO2(s) + 3C(s) = SiC(s) + 2CO(g) a. What mass of carbon is required to react completely with 15.70 g of SiO2?
  10. Chemistry

    Silicon Carbide, SiC, is prepared by heating silicon dioxide in the presence of graphite. Carbon dioxide is the by-product of the reaction. How many grams of silicon carbide can be formed from the reaction of 50.0 grams fo graphite …

More Similar Questions