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HBr + KHCO3 --> H2O + KBr + CO2 If I do this reaction with 30 grams of HBr, how many grams of carbon dioxide will be formed? MAKE SURE U USE FACTOR LABEL METHOD AND SHOW WORK!

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Neetoo

Answer:

Mass of carbon dioxide = 17.6 g

Explanation:

Given data:

Mass of HBr = 30 g

Grams of carbon dioxide produced = ?

Solution:

Chemical equation:

HBr + KHCO₃   → H₂O + KBr + CO₂

Number of moles of HBr:

Number of moles = mass/ molar mass

Number of moles = 30 g/ 80.91 g/mol

Number of moles = 0.4 mol

Now we will compare the moles of HBr and CO₂.

                             HBr                    :               CO₂

                               1                       ;                 1

                              0.4                    :              0.4

Mass of carbon dioxide:

Mass = number of moles × molar mass

Mass = 0.4 mol × 44 g/mol

Mass = 17.6 g

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