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Anon25 [30]
2 years ago
14

Which reaction most accurately represents the dissociation of nitrous acid (hno2) in water?

Chemistry
1 answer:
yanalaym [24]2 years ago
8 0

When nitrous acid (HNO₂) dissociates in water (H₂O), the reaction that best captures this process is:

                HNO₂ (aq.) + H₂O ↔  H₃O⁺ (aq.) + NO₂⁻ (aq.)

How does one know about HNO₂?

  • The chemical designation for nitrous acid is HNO₂, and it is a monoprotic acid. Three elements—hydrogen(H), oxygen(O), and nitrogen(N), all compose it.
  • It is highly fragile in nature and only occurs in solutions.
  • It is employed to convert amines into diazonium salts.

Is HNO₂ a basic or an acid?

Acidity is assigned to nitrous acid (HNO₂). Once dissolved in water, it gives out H+ ions. Acid is a chemical that produces H+ ions in a water-based solution or gives the protons to other molecules.

Thus, HNO₂ is acid because it causes a mixture of water to contain H+ ions. In a 10 mM concentration, it possesses a pH of 2.67.

Learn more about nitrous acid here:

brainly.com/question/17055219

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<span>Assume you have 1.00 L (1000 mL) of solution. d = m / V m = d x V = 1.23 g/mL x 1000 mL = 1230 g of solution 0.387 mol/L x 1 L = 0.387 mol HCl 0.387 mol HCl x (36.5 g / 1 mol) = 14.1 g HCl mass of water = 1230 g solution - 14.1 g HCl = 1216 g H2O = 1.216 kg H2O molality = mol HCl / kg water = 0.387 mol / 1.216 kg = 0.318 mol/kg (or 0.318 molal)</span>
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What is the formula for strontium chloride??
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The formula is SrCl2 
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4 years ago
Please help
Crank

Explanation:

Hello, let's observe the given data first. The data says The conc of magnesium chloride solution is 0.117 mol/L that means in one litre solution 0.117 mole MgCl2 are present. but we have to find the moles of magnesium chloride, magnesium ions & chloride ions in 16.4 mL solution.

\sf \: 1 \:  litre \:  solution  \rightarrow 0.117 \:  mole \: MgCl_2

\sf \: 16.4 \:  millitre \:  solution  \rightarrow 0.117 \times  \frac{16.4}{ {10}^{3} }  \:  mole \: MgCl_2 \\     \boxed{\sf 1.91 \times  {10}^{ - 3}  \: mole \: MgCl_2}

Now 16.4 ml solution contains 1.91× 10-³ magnesium chloride.

Before finding the amount of ions in solution let's have a look at dissociation of magnesium chloride.

MgCl_2 \rightarrow Mg^{2+} + 2Cl^{-}

<em>One mole of Magnesium chloride produces 1 mole of magnesium & 2 mole of chloride ions.</em>

Hence 1.91× 10-³ moles of magnesium chloride will produce 1.91 × 10-³ moles of magnesium ion & 3.82 × 10-³ moles of chloride ions.

\sf Thanks  \: for \:  joining \:  brainly  \: community!

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2 years ago
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