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Anna [14]
3 years ago
15

As a chemist for an agricultural products company, you have just developed a new herbicide,"Herbigon," that you think has the po

tential to kill weeds effectively. A sparingly soluble salt, Herbigon is dissolved in 1 M acetic acid for technical reasons having to do with its production. You have determined that the solubility product Ksp of Herbigon is 9.00×10−6.
Although the formula of this new chemical is a trade secret, it can be revealed that the formula for Herbigon is X-acetate (XCH3COO, where "X" represents the top-secret cation of the salt). It is this cation that kills weeds. Since it is critical to have Herbigon dissolved (it won't kill weeds as a suspension), you are working on adjusting the pH so Herbigon will be soluble at the concentration needed to kill weeds. What pH must the solution have to yield a solution in which the concentration of X+ is 1.50×10−3 M ? The pKa of acetic acid is 4.76.
Chemistry
1 answer:
coldgirl [10]3 years ago
7 0

i hope i helped for this problem

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concentration is the amount of mass in the solution eg 5gdm-3

hope that helps
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What is the energy transferred by a force to a moving object?
eimsori [14]
Answer: The energy transferred is known as kinetic energy, and it depends on the mass and speed achieved.
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2 years ago
What is the value of k, at 25 degrees Celsius
Dimas [21]
<h3>Answer:</h3>

298.15 K

<h3>Explanation:</h3>

W e are supposed to calculate the Value of K at 25°C

Assuming the value of K represent K, the question wants us to convert  degree Celsius to Kelvin.

  • To convert degrees Celsius to kelvin scale, we use the relationship;
  • Kelvin (K) = Degrees Celsius + 273.15 ; 273.5 is a constant
  • That is, to convert temperature from °C to Kelvin we add a constant of 273.15 to the °C given.

In this case;

Temperature is 273.15 °c

Thus, to Kelvin scale temperature will be;

= 25°C + 273.15

= 298.15 K

Therefore, the value of K, at 25°C is 298.15 K

7 0
3 years ago
Which group on the periodic table is the most reactive
Lostsunrise [7]

Answer:

Group 7 or the Halogens

Explanation:

The halogens occupies the 7th group on the periodic table. The group is made of F, Cl , Br, I and At.

The elements in this group are the most reactive of all elements. They are very reactive because they have just 7 electrons in their outermost shell and they only require an electron to complete their electronic configuration to produce an octet which typically mimics the stable group VIII elements.

This makes them very highly reactive.

7 0
3 years ago
Read 2 more answers
What is the density of a substance that has a mass of 453g and a volume of 224mL?
Savatey [412]
453 divided by 224
density is roughly 2.02 g per ml
as a ml is 1 cm3 density is 2.02 grams per centimeter cubed
7 0
3 years ago
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