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andriy [413]
2 years ago
10

What is saturation Give two examples each of acid and basic salt

Chemistry
1 answer:
mamaluj [8]2 years ago
8 0

Answer:

saturated refers to a point of maximum concentration, in which no more solute may be dissolved in a solvent.

Acid:sulfuric,nitric

Basic salt:Calcium carbonate (CaCO3)

Sodium acetate (NaOOCCH3)

Explanation:

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Na2CrO4 + PbCL2<br> Formula in double replacement
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Na₂CrO₄ + PbCl₂ → PbCrO₄ + 2 NaCl

<u>Explanation:</u>

In a double displacement reaction, the reactants which are involved in the reaction exchanging their ions thereby produces 2 new compounds. Here sodium chromate and lead chloride are undergoing double displacement reaction, the ions exchanges their position there by forming sodium chloride and lead chromate. So the double displacement reaction is given as,

Na₂CrO₄ + PbCl₂ → PbCrO₄ + 2 NaCl

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Balance the following half-reaction: (acidic) NO−3(aq) → NO2(aq) Express your answer as a half-reaction. Identify all of the pha
Marrrta [24]

Answer:

2H⁺  + NO₃⁻  + 1e⁻ →  NO₂  + H₂O

Explanation:

NO₃⁻  →  NO₂

In left side, Nitrogen acts with +5 by oxidation number

In right side, the oxidation number is +4

This is a reduction reaction, because the oxidation number has decreased. So the N has gained electrons.

NO₃⁻  + 1e⁻ →  NO₂

In acidic medium, we have to add water, where there are less oxygens to ballance the amount. We have 2 O in left side, and 3 O in right side, so we have to add 1 H₂O on left side.

NO₃⁻  + 1e⁻ →  NO₂  + H₂O

Now that oxygens are ballanced, we have to ballance the hydrogens by adding protons in the opposite side

2H⁺  + NO₃⁻  + 1e⁻ →  NO₂  + H₂O

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Write sulfur dioxide reactions
scZoUnD [109]

Answer:

Sulfur dioxide is a covalent bond because  we have two non-metals (Sulfur and Oxygen).

S + O_{2} \to SO_{2} (<em>Sulfur dioxide formula)</em>

It's called Sulfur dioxide but it can be called Sulfurous anhydride and Sulfur (lV) oxide.

Sulfur dioxide can have different reactions:

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SO_{2}+\frac{1}{2} O_{2}= SO3

The equal is because  it's a reversible equation. This reaction is spontaneous.

  • The sulfur trioxide reacting with water produces sulfuric acid. The formula is:

3 SO_{2} + O_{3} \to 3 SO_{3}\\SO_{3} + H_{2}O \to H_{2}SO_{4}

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SO_{2} + 2 NaOH \to Na_{2}SO_{3} + H_{2}O

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SO_{2} + 2 H_{2}S \to 3 S + 2 H_{2}O

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