Copy of Limiting Reagent Practice 1-2 (5/28/2026)

Last updated about 2 hours ago

9 questions

Copy of Limiting Reagent Practice 1-2 (5/28/2026)

Last updated about 2 hours ago

9 questions

Notes and Examples - https://drive.google.com/file/d/16umE0nzwQT1nM6hzGjEysG0BG0hg1nqk/view?usp=drive_link

Notas y Ejemplos en español -
https://drive.google.com/file/d/1-r8rs38X01k-sNCw9-Hgw-ULh9QvJ6kA/view?usp=sharing

SigFig Guide - http://www.astro.yale.edu/astro120/SigFig.pdf

Two videos are posted below - video 1 works through question 6, modeling how to solve for limiting reagent with reactions that have one product; video 2 works through question 7, modeling this process when reactions have two products.

2 S + 3 O2 → 2 SO3
6.3 g S was reacted with 10.0 g O2
Stoichiometric Ratios (Report answers from step 3):
S - _______ mol
O2 - _______ mol

Limiting Reagent - _______ 

4 Al + 3 O2 → 2 Al2O3
160.0 g Al was reacted with 142.4 g O2
Stoichiometric Ratios (Report answers from step 3):
Al - _______ mol
O2 - _______ mol

Limiting Reagent - _______ 

2 Cu + O2 → 2 CuO
25.0 g Cu was reacted with 16.0 g O2
Stoichiometric Ratios (Report answers from step 3):
Cu - _______ mol
O2 - _______ mol

Limiting Reagent - _______ 

3 H2 + N2 → 2 NH3
10.0 g H2 was reacted with 28.0 g N2
Stoichiometric Ratios (Report answers from step 3):
H2 - _______ mol
N2 - _______ mol

Limiting Reagent - _______ 

C2H4 + H2O→ C2H5OH
0.800 g C2H4 was reacted with 2.00 g H2O
Stoichiometric Ratios (Report answers from step 3):
C2H4  - _______ mol
H2O - _______ mol

Limiting Reagent - _______ 

6 Li + N2 → 2 Li3N

1.50 g Li + 1.50 g N2
Stoichiometric Ratios (Report answers from step 3):
Li: _______ mol
N2 _______ mol

Limiting Reagent: _______ 

CuCl2 + 2 NaNO3 → Cu(NO3)2 + 2 NaCl

15.0 g CuCl2 is reacted with 20.0 g  NaNO3
Stoichiometric Ratios (Report answers from step 3):
CuCl2 _______ mol
NaNO3 _______ mol

Limiting Reagent - _______ 

Pb(NO3)2  + 2 NaI → PbI2  + 2 NaNO3 

25.0 g Pb(NO3)2 is reacted with 15.0 g NaI 
Stoichiometric Ratios (Report answers from step 3):
Pb(NO3)2 _______ 
NaI _______ 

Limiting Reagent - _______ 

2 C2H6 + 7 O2 → 4 CO2 + 6 H2O

16.4 g C2H6 reacts with 0.980 g O2
Stoichiometric Ratios (Report answers from step 3):
C2H6 _______ 
O2 _______ 

Limiting Reagent - _______ 