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sammy [17]
2 years ago
10

A solution of HCl has StartBracket upper H superscript plus EndBracket. = 0.01 M. What is the pH of this solution?

Chemistry
1 answer:
hoa [83]2 years ago
7 0

Answer:

2

Explanation:

Data:

[H⁺] = 0.01 mol·L⁻¹

Calculation:

pH = -log[H₃O⁺] = -log(0.01) = -log(1) - log(10⁻²) = -0 - (-2) = 0 + 2 = 2

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A student was asked to find the density of an unknown object. The student found that the mass of the object was 35.49 g. The stu
marusya05 [52]

Answer:

4.29 /mL

Explanation:

density= mass/volume

8 0
1 year ago
Sort the descriptions below to indicate whether they describe β oxidation of stearoyl-coa, oleoyl-coa, or both. items (6 items)
Oksi-84 [34.3K]

Answer:

The answer is given below

Explanation:

  • β oxidation of stearoyl-CoA------------  8 FAD reduced

  • β oxidation of oleoyl-CoA --------------  1- 7 FAD reduced and 2- reduced requires δ3,δ2-enoyl-CoA isomerase required for completion of round 4

  • in Both -----------  1- 9 acetyl-CoA produced, 2- 8 NAD+ reduced and 3- β oxidation completed in 8 rounds

                         

4 0
2 years ago
An unknown element X has the following isotopes: ²⁵X (80.5% abundant) and ²⁷X (19.5% abundant). What is the average atomic mass
IgorC [24]

Answer:

25.39

Explanation:

Given parameters:

Abundance of X-25  = 80.5%

Abundance of X - 27  = 19.5%

Unknown:

Average atomic mass of X  = ?

Solution:

The average atomic mass of X can be derived using the expression below:

Average atomic mass = (abundance x mass of X - 25) + (abundance x mass of X - 27)

Average atomic mass  =  (80.5%  x 25) +   (19.5% x 27)  = 25.39

5 0
1 year ago
Which statement describes a multiple covalent bond
jonny [76]
When many atoms share electrons together.
6 0
2 years ago
This is how krypton appears in the periodic table.A purple box has K r at the center and 36 above. Below it says krypton and bel
GarryVolchara [31]

The number of protons in an atom of krypton is 36.

<u>Explanation:</u>

The number written above the symbol of Kr in the periodic table represents the atomic number of the element . Then the number written in the below represents the mass number.

So the mass number of krypton is 84 and the atomic number of krypton is 36. As it is known that number of protons and electrons will be equal in a stable element. Thus, the krypton atom will be having 36 protons.

7 0
2 years ago
Read 2 more answers
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