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posledela
2 years ago
13

Which of the following shows both the correct formula and correct name of an acid?

Chemistry
2 answers:
Dimas [21]2 years ago
7 0

Answer is: C. H3PO4, phosphoric acid.

A) HClO₂ is chlorous acid.

Chlorous acid is weak inorganic acid. In this acid, chlorine has oxidation number +3.

B) HNO₂ is nitrous acid.

Nitrous acid is a weak monobasic acid.  In this acid, nitrogen has oxidation number +3.

D) HI is hydroiodic acid.

Hydroiodic acid is a highly acidic aqueous solution of hydrogen iodide. In this acid, iodine has oxidation number -1.

Kaylis [27]2 years ago
4 0

Answer:

Explanation:

1. hydrogen ions

2. H3OP4 phosphoric acid

3. H2SO3

4. like ionic compounds

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3 years ago
Suppose 20.8 g of sodium iodide is dissolved in 250. mL of a 0.70 M aqueous solution of silver nitrate. Calculate the final mola
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[Ag+] = [NO3-] = 0.700M

0.555M = [Na+] = [I-]

Explanation:

To solve this question we need to find the moles of sodium iodide, NaI, using its molar mass -. With the moles and the volume we can find the molarity of Na+ and I-. The molarity of the ions of silver nitrate, AgNO3 doesn't change because we are assuming the volume doesn't change:

<em>Molarity Ag⁺ = Molarity NO₃⁻ = 0.700M</em>

<em>Moles NaI -Molar mass: 149.89g/mol-</em>

20.8g NaI * (1mol/149.89g) = 0.0139 moles NaI

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