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vovangra [49]
3 years ago
7

Sodium nitrate and lead (ii) acetate express your answer as a chemical equation. identify all of the phases in your answer. ente

r noreaction if no no reaction occurs.
Chemistry
2 answers:
ira [324]3 years ago
8 0

Sodium nitrate reacts with lead acetate to form sodium acetate and lead nitrate. The chemical equation can be represented as:

2NaNO3(aq) + Pb(CH3COO)2(aq) → Pb(NO3)2(aq) + 2CH3COONa(aq)

Sodium nitrate = aqueous phase

Lead acetate= aqueous phase

Lead nitrate = aqueous phase

Sodium acetate = aqueous phase

ICE Princess25 [194]3 years ago
3 0

Answer: 2NaNO_3(aq)+(CH_3COO)_2Pb(aq)\rightarrow 2CH_3COONa(aq)+Pb(NO_3)_2(aq)

Explanation: A double displacement reaction is one in which exchange of ions take place.

The compounds which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.

Thus the exchange of ions take place and all the compounds are soluble so the chemical formulas are followed by the symbol (aq).

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1) What is the mass of 6.2 mol of K2CO3?
lorasvet [3.4K]

Answer:

\boxed {\boxed {\sf 856.8648 \ grams \ of \ K_2CO_3}}

Explanation:

To convert from moles to grams, we must find the molar mass.

1. Molar Mass

First, identify the elements in the compound. K₂CO₃ It has potassium, carbon, and oxygen. Find these elements and their masses on the Periodic Table.

  • K: 39.098 g/mol
  • C: 12.011 g/mol
  • O: 15.999 g/mol

Note the subscript of 2 after K and 3 after O. We must multiply oxygen's molar mass by 2, then oxygen's by 3, and add carbon.

  • 2(39.098 g/mol) + 3(15.999 g/mol) + 12.011 g/mol= 138.204 g/mol

2. Convert Moles to Grams

Use the molar mass as a fraction.

\frac {138.204 \ g \ K_2CO_3}{1 \ mol \ K_23CO_3}

Multiply by the given number of moles: 6.2

6.2 \ mol \ K_2CO_3 *\frac {138.204 \ g \ K_2CO_3}{1 \ mol \ K_23CO_3}

6.2  *\frac {138.204 \ g \ K_2CO_3}{1 }

6.2  * {138.204 \ g \ K_2CO_3}

856.8648 \ g \ K_2CO_3

There are <u>856.8648 grams</u> of potassium carbonate in 6.2 moles.

4 0
3 years ago
A ________ can be defined as a very large molecule constructed from repeated molecular fragments or segments.
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The Answer is D. a polymer is a substance that has a molecular structure consisting of a large number of similar units bonded together
7 0
3 years ago
Need this ASAP so hury up​
Genrish500 [490]

Answer:

The type of bonding found in sodium chloride is called ionic bonding.

Explanation:

Ionic bonding is the attraction between two atoms with opposite charges.  In sodium chloride, sodium has a positive charge and chlorine has a negative charge; therefore, they attract one another and form a bond.

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A solid, a liquid or a gas.
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Answer:

They are directly proportional

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