Earthquakes can happen at which type of plate boundaries? (Select ALL that apply)
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mass O₂ required : 0.054 g
<h3>Further explanation </h3>The reaction equation is the chemical formula of reagents and product substances
A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products
Reaction
4Fe(OH)⁺ (aq) + 4OH⁻ (aq) + O₂ (g)+ 2H₂O (l)⇒ 4Fe(OH)₃ (s)
To precipitate Fe²⁺(in Fe(OH⁺) to Fe³⁺(in Fe(OH)₃)
- mol Fe²⁺
mol ratio from equation = mol O₂ :mol Fe(OH) = 1 : 4
- mol O₂
- mass O₂
The grams of solute are required.
The mass of solute is 3.5 g
c = Molarity = 0.1 M
M = Molar mass = 350 g/mol
V = Volume of solution = 100 mL = 0.1 L
n = Number of moles
m = Mass of solute
Molarity is given by
Molar mass is given by
The mass of solute is 3.5 g
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