Pentane ( C 5 H 12 )reacts with oxygen ( O 2 )to form carbon dioxide ( CO 2 )and water ( H 2 O)according to the following reaction.Answer the following question(s)about this reaction. C 5 H 12 + ?O 2 → ?CO 2 + ?H 2 O -In this reaction,what is the correct coefficient for sodium chloride? Pb(NO₃)₂ + ? NaCl → PbCl₂ + ? NaNO₃ A)1 B)2 C)3 D)4 E)5

Question

Quizplus · Accepted Answer

Since NaCl appears only once on each side of the equation, a coefficient of 1 will balance it out. As for the lead nitrate, it has one Pb and one N, but three O atoms on the left side. To balance out the O, we need a coefficient of 2. The balanced equation is: 
Pb(NO3)2 + 2 NaCl → PbCl2 + 2 NaNO3.

Pentane ( C5H12 )Reacts with Oxygen ( O2 )To

Pentane ( C₅H₁₂ )Reacts with Oxygen ( O₂ )To