Calculate the maximum numbers of moles and grams
of H2S that can form when
147.3 g of aluminum sulfide reacts with 143.0 g
of water:
Al2S3 + H2O →
Al(OH)3 + H2S [unbalanced]
What mass of the excess reactant remains?
Calculate the max # of moles and grams of H2S that can form when
143 g aluminum sulfide reacts with 128.8 g water?
a) ____mol H2S b) _____g H2S c) ____g excess reactant
For the reaction, calculate how many grams of the product form
when 22.4 g of Ca completely reacts.
Assume that there is more than enough of the other reactant.
Ca(s)+Cl2(g)→CaCl2(s)
For the reaction, calculate how many grams of the product form
when 22.4 g of Br2 completely reacts.
Assume that there is more than enough of the other reactant.
2K(s)+Br2(l)→2KBr(s)
For the reaction, calculate how many grams of the product form
when 22.4 g of O2 completely reacts.
Assume that...
Calculate the number of moles in 82.05 grams of Ca(NO3)2.
1 mole
2 moles
82.05 moles
0.50 moles
Question 3
Determine the number of grams in 0.5390 moles of calcium
nitrate.
88.45 g
164.1 g
1 g
0.5390 g
Question 4
A sample of pure calcium nitrate has the same number of calcium
cations as nitrate anions.
True
False
Question 5
A sample of calcium nitrate has twice as many nitrate anions as
calcium cations.
True
False
Question 6
A...
For the reaction
2KClO3(s)→2KCl(s)+3O2(g)
calculate how many grams of oxygen form when each quantity of
reactant completely reacts.
a. 2.91 gKClO3
b. 0.400 gKClO3
c. 87.5 kgKClO3
d. 25.9 mgKClO3
For the reaction
2KClO3(s)→2KCl(s)+3O2(g)
calculate how many grams of oxygen form when each quantity of
reactant completely reacts.
A. 2.01 gKClO3
B. 0.301 gKClO3
C. 88.7 kgKClO3
D.25.1 mgKClO3
For each reaction, calculate the mass (in grams) of the product
formed when 10.5 g of the underlined reactant completely
reacts.
Assume that there is more than enough of the other reactant.
Part A
2K(s)+Cl2(g)−−−−−→2KCl(s)
Part B
2K(s)+Br2(l)−−−−−→2KBr(s)
Part C
4Cr(s)+3O2(g)−−−−−→2Cr2O3(s)
Part D
2Sr(s)−−−−−+O2(g)→2SrO(s)