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Answered

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NEED HELP ASAP GIVING 20 POINTS AND BRAINLIEST

Given 18.5 grams of CHA and 24.0 grams of Oz the following reaction occurs. Calculate the number of grams of
carbon dioxide that form from the reaction.
CH4 + 20 + CO2 + 2 H2O

Sagot :

Answer:

CO2 should be 50.88 g

Explanation:

CH4 + 2 O2  -->  CO2 + 2 H2O

First, find the moles of CH4:

Molar Mass of CH4 (formular mass):

12+1*4=16 g/mol (actually just use the atomic mass in your periodic table to add them up)

Then we can find how many moles in CH4 = 18.5÷16=1.15625 mol

As we know 1 mole of methane(CH4) makes 1 mole of CO2, so if 1.15625 moles of methane is reacted, 1.15625 moles of CO2 will be made.

So the moles of CO2 is 1.15625 moles.

Calculate the mass of CO2:

Molecular mass: 12+16*2=44 g/mol

Mass=44*1.15625=50.88 g (cor. to 2 d.p.)

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