2 years ago

What volume of a 3.00M KL stock solution would you use to make 0.300 L of a 1.25M Kl solution?

1 answer:

6 0

Answer:

0.125L or 125 mL

Explanation:

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aliina [53]

It has Covalent bond.........

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3 years ago

liubo4ka [24]

Answer: the molar mass is 74.092 g/mol

Explanation:

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3 years ago

frozen [14]

Explanation:

The given data is as follows.

Mass of a lead atom = $3.14 \times 10^{-22}$

Volume = 2.00 $cm^{3}$

Density = 11.3 $g/cm^{3}$

As it is mentioned that 1 cubic centimeter contains 11.3 grams of lead.

So, in 2 cubic centimeter there will be $2 \times 11.3 g = 22.6 g$ of lead atoms.

One lead atom has a mass of $3.14 \times 10^{-22}$ . Therefore, number of atoms present in 22.6 g of lead will be as follows.

$\frac{22.6 g}{3.14 \times 10^{-22}}$

= $7.197 \times 10^{22} atoms$

Thus, we can conclude that there are $7.197 \times 10^{22} atoms$ of lead are present.

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3 years ago

Fed [463]

N2 + 3H2 ---> 2NH3
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3 years ago

Lina20 [59]

The correct answer would be 120.

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3 years ago