Chemistry, 08.02.2021 02:40, elishaheart21
(05.07 MC)
The following reaction shows the products when sulfuric acid and aluminum hydroxide react.
Al(OH)3 + H2SO4 → Al2(SO4)3 + H2O
The table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory.
Initial Mass and Yield
Sulfuric Acid Aluminum Hydroxide
Initial Amount of Reactant 40 g 45 g
Theoretical Yield of Water from Reactant 14.69 g 31.15 g
What is the approximate amount of the leftover reactant? (4 points)
a
20.89 g of sulfuric acid
b
22.44 g of sulfuric acid
c
21.22 g of aluminum hydroxide
d
23.78 g of aluminum hydroxide
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Answers: 3
Chemistry, 22.06.2019 23:30, znewkirk4741
Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.
Answers: 3
Chemistry, 23.06.2019 09:20, goldwinner300
Asolution of naoh has a concentration of 25.00% by mass. what mass of naoh is present in 0.250 g of this solution? use the periodic table in the toolbar if needed. 0.0625 g what mass of naoh must be added to the solution to increase the concentration to 30.00% by mass? g
Answers: 2
(05.07 MC)
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