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EleoNora [17]
3 years ago
7

A chemist performs the following reaction to make sodium nitrate

Chemistry
2 answers:
vagabundo [1.1K]3 years ago
5 0

Answer:

See below

Explanation:

A chemist preforms the following: Neutralizing nitric acid (HNO3) with soda ash (Na2CO3). This reaction will then create sodium nitrate and carbonic acid, which will then decompose into water (H20)

ladessa [460]3 years ago
4 0

Answer:

The salt (Sodium Nitrate) is prepared by the reaction of nitric acid and sodium hydroxide. The reaction is also known as neutralization reaction.

Explanation:

The reaction between nitric acid (HNO_{3}) and sodium hydroxide (NaOH) will result in the formation of salt (Sodium nitrate). The balanced reaction between nitric acid and sodium hydroxide is shown below

\textrm{HNO}_{3}\left ( aq \right )+\textrm{NaOH}\left ( aq \right )\rightarrow \textrm{NaNO}_{3}+\textrm{H}_{2}\textrm{O}\left ( l \right )

HNO_{3} is a strong acid and NaOH is a strong base. This reaction is an example of neutralization reaction.

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3 years ago
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You are given a 1.55 g mixture of calcium nitrate and calcium chloride. You dissolve this mixture in 20 mL of water and add an e
irina [24]

Answer:

13.4 (w/w)% of CaCl₂ in the mixture

Explanation:

All the Cl⁻ that comes from CaCl₂ (Calcium chloride) will be precipitate in presence of AgNO₃ as AgCl.

To solve this problem we must find the moles of AgCl = Moles of Cl⁻. As 2 moles of Cl⁻ are in 1 mole of CaCl₂ we can find the moles of CaCl₂ and its mass in order to find mass percent of calcium chloride in the original mixture.

<em>Moles AgCl - Molar mass: 143.32g/mol -:</em>

0.535g * (1mol / 143.32g) = 3.733x10⁻³ moles AgCl = Moles Cl⁻

<em>Moles CaCl₂:</em>

3.733x10⁻³ moles Cl⁻ * (1mol CaCl₂ / 2mol Cl⁻) = 1.866x10⁻³ moles CaCl₂

<em>Mass CaCl₂ -Molar mass: 110.98g/mol-:</em>

1.866x10⁻³ moles CaCl₂ * (110.98g/mol) = 0.207g of CaCl₂ in the mixture

That means mass percent of CaCl₂ is:

0.207g CaCl₂ / 1.55g * 100 =

<h3>13.4 (w/w)% of CaCl₂ in the mixture</h3>
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3 years ago
State of matter that keeps its shape an volume when it is placed in a different container
luda_lava [24]

Solids are the only ones that keep their shape and volume no matter the container.
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3 years ago
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