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Answer:
The iron is in the +3 oxidation state, which is what the III means.
Answer:
Lies predominantly to the left.
Explanation:
In the reaction:
NH4⁺(aq) + Br-(aq) ⇄ NH3(aq) + HBr(aq)
Conjugate acid + Ion ⇄ weak base + strong acid
HBr is a strong acid whereas NH3/NH4⁺ are the weak base and its conjugate base. A strong acid as HBr dissociates completely in solution as H⁺ and Br⁻. That means in solution you will never have HBr without dissociation doing the reaction:
<h3>lies predominantly to the left.</h3>
Answer:
c=2
Explanation:
Chemical equation:
Ca(OH)₂(aq) + HCl (aq) → CaCl₂(aq) + H₂O
Balanced chemical equation:
Ca(OH)₂(aq) + 2HCl (aq) → CaCl₂(aq) + 2H₂O
This is an acid-base reaction.
Two mole of acid (HCl) react with one mole of base (Ca(OH)₂) and form two mole of water and one mole of salt which is calcium chloride.
The given reaction also follow the law of conservation of mass.
According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.
This law was given by french chemist Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.
Acid-Base Reaction.
Whenever an acid react with base salt and water is formed. Acid-base reaction is also called neutralization reaction.
Answer:
1.47 M
Explanation:
First we <u>convert 86.00 g of NaCl into moles of NaCl</u>, using the <em>molar mass of NaCl</em>:
- 86.00 g ÷ 58.44 g/mol = 1.472 mol NaCl
Then we <u>convert 1000 mL into liters:</u>
Finally we can <u>calculate the molarity of the solution</u>:
- Molarity = moles / liters
- 1.472 mol / 1.0 L = 1.472 M