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 maximum mass (in grams) of the following metal
sulfides that can be dissolved in 1.0 L of a solution that is
4.90×10−5 M in Na2S.
A. PbS
B. ZnS
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