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marysya [2.9K]
3 years ago
9

Problem #6 If you dissolve lead (II) nitrate and potassium iodide in water they will react to form lead (II) iodide and potassiu

m nitrate
1). Write the equation for this reaction, then balance the equation
2). Calculate the grams of lead(II) iodide that can be produced from 5.00 moles of potassium iodide.
3).Calculate the grams of lead (II) iodide that can be reproduced from 75.00 grams of potassium iodide.​
Chemistry
1 answer:
LenaWriter [7]3 years ago
8 0

\implies \huge \tt \underline \red{answer}

Should ever come back

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Leto [7]

Answer:

43.964

Explanation:

i think i used a calculator so let me know if its wrong

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4 years ago
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if 26.8g of copper (ll) chloride are dissolved in sufficient water to make 4.00 L of solution, what is the molarity of the solut
artcher [175]

Answer: Molarity of the solution is 4.97 \times 10^{-2} M and water is the solvent.

Explanation:

Given: Mass of solute = 26.8 g

Volume = 4.00 L

Now, moles of copper (II) chloride (molar mass = 134.45 g/mol) are calculated as follows.

No. of moles = \frac{mass}{molar mass}\\= \frac{26.8 g}{134.45 g/mol}\\= 0.199 mol

Molarity is the number of moles of a substance divided by volume of solution in liter.

Therefore, molarity of given solution is calculated as follows.

Molarity = \frac{no. of moles}{Volume (in L)}\\= \frac{0.199 mol}{4.00 L}\\= 0.04975 M\\= 4.97 \times 10^{-2} M

Solvent is defined as a component which is present in higher amount in a solution. Generally, a solvent is present in liquid state but it can also be a solid or gas.

In the given solution, copper (II) chloride is dissolved in water so copper (II) chloride is the solute and water is the solvent.

Thus, we can conclude that molarity of the solution is 4.97 \times 10^{-2} M and water is the solvent.

4 0
3 years ago
Give me an atom with the following characteristics:
guajiro [1.7K]

Explanation:

Lanthanide series= E4

Boron=Si

Chalogen=O

Alkaline Earth metal =M9

4 0
3 years ago
How many carbon dioxide (CO2) molecules are produced during the decomposition of 1.25 moles of Carbonic acid (H2CO3)? ****Rememb
Andreas93 [3]

Answer:

7.53×10²³ molecules

Explanation:

Given data:

Number of moles of carbonic acid =  1.25 mol

Number of molecules of CO₂ produced = ?

Solution:

Chemical equation:

H₂CO₃   →     CO₂ + H₂O

Now we will compare the number of moles of carbonic acid with CO₂ from balanced chemical equation.

                                 H₂CO₃      :        CO₂

                                    1             :           1

                                   1.25         :       1.25

Number of molecules can be determine by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

Number of molecules:

1 mole = 6.022 × 10²³ molecules

1.25 mol ×  6.022 × 10²³ molecules  / 1 mol

7.53×10²³ molecules

5 0
4 years ago
How many atoms are in 27.0 grams of aluminum (Al)?
Dmitrij [34]

Answer:

none

Explanation:

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4 years ago
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