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Darina [25.2K]
3 years ago
6

Does anyone know how to do this?

Chemistry
1 answer:
rjkz [21]3 years ago
3 0

Answer:

I know

Explanation:

Sike i dont know. Sorry man, but i dont know what that means - are you on crack? do you need therapy because I am a great therapist. Hmu if you'd like.

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What was the open-range system ​
Nesterboy [21]

Answer: In the Western United States and Canada, open range is rangeland where cattle roam freely regardless of land ownership. ... Land in open range that is designated as part of a "herd district" reverses liabilities, requiring an animal's owner to fence it in or otherwise keep it on the person's own property.

Explanation: Mark me as brainliest

5 0
3 years ago
Calculate the concentration imports per million ppm of DDT if a sample size of 5000 g contained 0.10 g DDT
nevsk [136]

Answer:

20ppm

Explanation:

parts per million are defined as the mass of solute in mg (In this case, mass of DDT) per kg of sample.

To solve this question we must find the mass of DDT in mg and the mass of sample in kg:

<em>Mass DDT:</em>

0.10g * (1000mg / 1g) = 100mg

<em>Mass sample:</em>

5000g * (1kg / 1000g) = 5kg

Parts per Million:

100mg / 5kg =

<h3>20ppm</h3>
3 0
2 years ago
How is crystallization used in the pharmaceutical industry (simple answer please)
Olegator [25]

Answer:

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<h2>IT IS A SEPARATION PROCESS FOR INTERMEDIATE AND A FINAL STEP IN PHARMACEUTICAL INGREDIENTS.</h2>

<h2>A BRAINLIEST PLEEAAAASE</h2>
6 0
3 years ago
Read 2 more answers
Which formula for sulfuric acid is written correctly to show one sulfur atom, two hydrogen atoms, and four oxygen atoms?
vodka [1.7K]
H2SO4 is the answerrrrrr
5 0
3 years ago
If an element has a mass number of 222 and an atomic number of 86, how
svlad2 [7]

Answer:

136

Explanation:

The Mass Number is the combination of the amount of Protons and Neutrons in an element, so if the total mass is 222, and the amount of protons is 86, then you can do 86 + x = 222 to find that x is equal to 136

5 0
2 years ago
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