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avanturin [10]
3 years ago
5

at 298 k the H+ ion concentration of a aqueous solution is 1.00 x 10-5 M what is the pH of the solution

Chemistry
1 answer:
Basile [38]3 years ago
7 0

Answer:

pH = 5.00

Explanation:

The pH is an unit of concentration widely used in chemistry and quality control of aqueous solutions. It serves to find the security of a product to human or pet consumption. Is defined as:

pH = -log [H+]

That means, the pH of a solution that is [H+] = 1.00x10⁻⁵M:

<h3>pH = 5.00</h3>
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The mass of a block is 12 g and the volume is 6 ml. Calculate the density of the block.
HACTEHA [7]

Answer:

According to mass and volume,  block density is 2 g/ml

Explanation:

Density is a measure, usually used in physics and chemistry, that relates the mass and volume of a solid or compound.

In general terms, the density is directly proportional to the mass, and inversely proportional to the volume, so increasing the mass will also increase the density.

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Therefore, according to the mass and density of the block

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<em>The other options are not possible, because the values given do not correspond to the result of the equation.</em>

5 0
3 years ago
How many moles of h are in 0.73 mole of c6h10s
Mnenie [13.5K]

Answer:

7.3 mole

Explanation:

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X= 0.73×10=7.3mole

7 0
4 years ago
Suppose that a 1.0-L reaction vessel initially contains 1.0 mol of O3 and 1.0 mol of O2. What fraction of the O3 will have react
NemiM [27]

Answer:

Explanation:

given reaction

                        2O₃        ⇄      3O₂

 initial                1                      1

    final           1-x                   1+ 1.5x

rate of reaction = k  [ O₃ ]² / [ O₂ ]

initial rate = k . 1² / 1 = k

final rate = k (1-x )² / (1+ 1.5x) = k/2

(1-x )² / (1+ 1.5x) = 1/2

2x² - 5.5 x + 1 = 0

x = 0.196

So fraction of ozone reacted = .196

8 0
3 years ago
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