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26 February, 00:35

10.0 g of calcium carbonate was heated. The mass of calcium oxide left was 5.6 g. Calculate the mass of

carbon dioxide produced in the reaction.

CaCO3 (s) + Cao (s) + CO2 (g)

+4
Answers (2)
  1. 26 February, 01:19
    0
    4.4g

    Explanation:

    Calculate the molar mass of CaCO3

    40+12 + (16*3)

    40+12+48

    100 g/mol

    Calculate the molar mass of CO2

    12 + (16*2)

    12+32

    44g/mol

    100g of CaCO3=44g of CO2

    10g of CaCO3=10*44/100

    g of CO2=440/100

    =4.4g of CO2
  2. 26 February, 02:13
    0
    4.4g

    Explanation:

    Mass of CaCO3 = 10g

    Mass of CaO = 5.6g

    Mass of CO2 = ?

    Mass of CaCO3 = Mass of CaO + Mass of CO2

    Mass of CO2 = Mass of CaCO3 - Mass of CaO

    Mass of CO2 = 10 - 5.6

    Mass of CO2 = 4.4g
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