QuestionMay 10, 2025

Use the balanced equation below to answer the question. C_(3)H_(8)+5O_(2)arrow 4H_(2)O+3CO_(2) How many molecules of C_(3)H_(8) are in 4.33times 10^12 molecules of H_(2)O Write your answer in scientific notation Example: 1.23^ast 10^wedge -45 Answer

Use the balanced equation below to answer the question. C_(3)H_(8)+5O_(2)arrow 4H_(2)O+3CO_(2) How many molecules of C_(3)H_(8) are in 4.33times 10^12 molecules of H_(2)O Write your answer in scientific notation Example: 1.23^ast 10^wedge -45 Answer
Use the balanced equation below to answer the question. C_(3)H_(8)+5O_(2)arrow 4H_(2)O+3CO_(2) How many molecules of C_(3)H_(8) are in 4.33times 10^12 molecules of H_(2)O Write your answer in scientific notation Example: 1.23^ast 10^wedge -45 Answer

Solution
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Answer

1.08 \times 10^{12} molecules of C_{3}H_{8} Explanation 1. Determine Mole Ratio From the balanced equation, 1 molecule of C_{3}H_{8} produces 4 molecules of H_{2}O. 2. Calculate Molecules of C_{3}H_{8} Use the ratio to find molecules of C_{3}H_{8}: \frac{4.33 \times 10^{12}}{4}.

Explanation

1. Determine Mole Ratio<br /> From the balanced equation, 1 molecule of $C_{3}H_{8}$ produces 4 molecules of $H_{2}O$.<br /><br />2. Calculate Molecules of $C_{3}H_{8}$<br /> Use the ratio to find molecules of $C_{3}H_{8}$: $\frac{4.33 \times 10^{12}}{4}$.
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