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makkiz [27]
3 years ago
5

A solid precipitate is formed from the reaction of lead nitrate and sodium chromate.

Chemistry
1 answer:
LUCKY_DIMON [66]3 years ago
5 0

Lead chromate is a precipitate that is formed on the reaction of lead nitrate with sodium chromate. The best method to separate this precipitate from the solution is filtration.

  • A precipitate can be defined as an insoluble solid formed in a chemical reaction. It appears as a cloudy and resulted after a reaction.
  • The lead chromate is yellow colored precipitate that forms after the reaction of lead nitrate with sodium chromate.
  • The process of separation of insoluble solids from the liquids by the use of filters is known as filtration. Insoluble solids are also called as precipitates these precipitates are formed in a chemical reaction.
  • Filtration will help in separation of  insoluble solid yellow colored lead chromate precipitate from the solution using a porous material or filter that selectively inhibits the passage of solid precipitate material and allows the solution to pass through it.

Learn more about filtration:

brainly.com/question/24615878

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GalinKa [24]

Answer:

1.31M

Explanation:

Based on the reaction, 1 mole of Zn produce 1 mole of ZnCl₂. As the reaction occurs completely, the moles of Zn added = Moles of ZnCl₂ produced. To find molarity we need the moles of ZnCl₂ and the volume of the solution in liters:

<em>Moles Zn = Moles ZnCl₂ -Molar mass Zn: 65.38g/mol-:</em>

15g * (1mol / 65.38g) = 0.23 moles of ZnCl₂

<em>Volume in Liters:</em>

175mL * (1L / 1000mL) = 0.175L

The molarity is:

0.23moles / 0.175L

<h3>1.31M</h3>
7 0
3 years ago
A sample of a compound made entirely from copper and oxygen was found to have a total mass of 0.1431g The mass of the copper In
Ket [755]
Number of moles of Cu in 63.546 g is 1 mole

1 / 63.546 = 0.0157366317

Number of moles in 1 g of Cu is 0.0157366317

0.0157366317 x 0.1431

0.002251912 moles will be the answer
5 0
3 years ago
How many protons and neutrons does gallium have?
Phoenix [80]
31 protons 31 electrons and 39 nutrons
4 0
4 years ago
0.402 L = 402 mL<br> 0.0202 L = 20.2 mL<br> 3.6 L = 360 mL<br> 11.1 L = 11,100 mL
Hoochie [10]
I am from Turkey....
3 0
4 years ago
What do the individual spheres represent in the model!
Trava [24]

Answer:

the individual atom in the molecule

Explanation:

In chemistry, the ball-and-stick model is a molecular model of a chemical substance.  Invidual spheres there represent atoms in the molecule. The bigger atomic number the atom has, the larger diameter of the spheres this atom has in this model.

I hope this answer will help you. Have a nice day !

5 0
3 years ago
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