QuestionMay 1, 2025

A student is using these conversion factors to convert from 5.0 moles of the given reactant to the moles of the other reactant.Identify any conversion factors that would NOT work. Tap to select or deselect an answer. Select all that would NOT work. 3Ti+2N_(2)arrow Ti_(3)N_(4) 5.0molTitimes (2molN_(2))/(3molTi) 2Sb+3H_(2)Oarrow Sb_(2)O_(3)+3H_(2) 3molH_(2)Otimes (2molSb)/(5.0molH_(2)O) 4P+5O_(2)arrow P_(4)O_(10) 4molPtimes (5molO_(2))/(5.0molP)

A student is using these conversion factors to convert from 5.0 moles of the given reactant to the moles of the other reactant.Identify any conversion factors that would NOT work. Tap to select or deselect an answer. Select all that would NOT work. 3Ti+2N_(2)arrow Ti_(3)N_(4) 5.0molTitimes (2molN_(2))/(3molTi) 2Sb+3H_(2)Oarrow Sb_(2)O_(3)+3H_(2) 3molH_(2)Otimes (2molSb)/(5.0molH_(2)O) 4P+5O_(2)arrow P_(4)O_(10) 4molPtimes (5molO_(2))/(5.0molP)
A student is using these conversion factors to convert from 5.0 moles of the given
reactant to the moles of the other reactant.Identify any conversion factors that
would NOT work.
Tap to select or deselect an answer. Select all that would NOT work.
3Ti+2N_(2)arrow Ti_(3)N_(4)
5.0molTitimes (2molN_(2))/(3molTi)
2Sb+3H_(2)Oarrow Sb_(2)O_(3)+3H_(2)
3molH_(2)Otimes (2molSb)/(5.0molH_(2)O)
4P+5O_(2)arrow P_(4)O_(10)
4molPtimes (5molO_(2))/(5.0molP)

Solution
4.2(303 votes)

Answer

The conversion factors that would NOT work are \frac{2molSb}{5.0molH_{2}O} and \frac{5molO_{2}}{5.0molP}. Explanation 1. Analyze the first conversion factor The reaction 3Ti + 2N_{2} \rightarrow Ti_{3}N_{4} uses the conversion factor \frac{2molN_{2}}{3molTi}. This is correct for converting moles of Ti to moles of N_{2}. 2. Analyze the second conversion factor The reaction 2Sb + 3H_{2}O \rightarrow Sb_{2}O_{3} + 3H_{2} uses the conversion factor \frac{2molSb}{5.0molH_{2}O}. This does not match the stoichiometry of the equation, which should be \frac{2molSb}{3molH_{2}O}. 3. Analyze the third conversion factor The reaction 4P + 5O_{2} \rightarrow P_{4}O_{10} uses the conversion factor \frac{5molO_{2}}{5.0molP}. This does not match the stoichiometry of the equation, which should be \frac{5molO_{2}}{4molP}.

Explanation

1. Analyze the first conversion factor<br /> The reaction $3Ti + 2N_{2} \rightarrow Ti_{3}N_{4}$ uses the conversion factor $\frac{2molN_{2}}{3molTi}$. This is correct for converting moles of $Ti$ to moles of $N_{2}$.<br />2. Analyze the second conversion factor<br /> The reaction $2Sb + 3H_{2}O \rightarrow Sb_{2}O_{3} + 3H_{2}$ uses the conversion factor $\frac{2molSb}{5.0molH_{2}O}$. This does not match the stoichiometry of the equation, which should be $\frac{2molSb}{3molH_{2}O}$.<br />3. Analyze the third conversion factor<br /> The reaction $4P + 5O_{2} \rightarrow P_{4}O_{10}$ uses the conversion factor $\frac{5molO_{2}}{5.0molP}$. This does not match the stoichiometry of the equation, which should be $\frac{5molO_{2}}{4molP}$.
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