An example of a double replacement chemical reaction takes place in batteries. In an alkaline battery, Manganese oxide reacts wi
th water to form a different manganese oxide and hydroxide. Which is the correct balanced equation for this?
1 answer:
Answer:
2MnO2 + H2O => Mn2O3 + 2OH is the correct balanced equation.
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the pH numbers that are acidic above is 3 and 5
NaCl is an ionic compound because Chlorine is a nonmetal and Sodium is a metal (Alkali Metal Group)
Answer:
1040 g HCl
Explanation:
Al(OH)₃ + 3HCl => AlCl₃ + 3H₂O
moles Al(OH)₃ = 750g/78g·mol⁻¹ = 9.62 mol
moles HCl used = 3 x moles Al(OH)₃ consumed = 3(9.62)mol HCl = 1038.46 g. ≈ 1040 g HCl (3 sig.figs.)
C. All of them can be dissolved because, they are all solvents.
