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Titanium tetrachloride, TiCl4, is prepared by the reac- tion below.
3TiO2(s) + 4C(s) + 6Cl2(g) ¡
3 TiCl4(g) + 2 CO2(g) + 2 CO(g)
What is the maximum mass of TiCl4 that can be obtained from 35 g TiO2, 45 g Cl2, and 11 g C?
The reaction between calcium carbide (kalburo, CaC2) and water forms acetylene (C2H2) and calcium hydroxide [Ca(OH)2]
What is the pH of the solution given that the concentration of H2PO4- is 0.1 and that of HPO42- is 0.066?
When heated, KClO3 decomposes into KCl and O2.
2KClO3⟶2KCl+3O2
If this reaction produced 23.0 g KCl, how many grams of O2 were produced?
What is the correct orientation when reading volumes using a graduated cylinder?
Aqueous hydrobromic acid HBr
will react with solid sodium hydroxide NaOH
to produce aqueous sodium bromide NaBr
and liquid water H2O
. Suppose 61. g of hydrobromic acid is mixed with 38.4 g of sodium hydroxide. Calculate the maximum mass of sodium bromide that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits.
A (Ni+2) solution is electrolyzed using a current of 1.25A. What mass of (Ni0 )
plates out in 30 minutes.
Lead (II) trioxonitrate (V) and sodium (II) tetraoxosulphate (VI) solutions are mixed together
to form crystals of lead (II) tetraoxosulphate (VI) coming out of solution, leaving a solution of
sodium trioxonitrate (V) in solution. Write the molecular equation and the net ionic equation
for the reaction.
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