The answer for question 14 would be C and question 15 is B
Answer:
Your correct answer is D. 40 g
Explanation:
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Answer:
Number of mole = 5moles
Explanation:
To find the number of mole of methane,we will use the formula
n = m/ Mm
n - moles
m - mass
Mm - molar mass
Since m - 80g
Let's calculate the molecular weight of CH4
C - 12
H - 1
Mw = 12 + 1 * 4
= 12 + 4
= 16g/mol
n = 80g/16g/mol
n = 5moles
