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Crazy boy [7]
3 years ago
11

We can use thin layer chromatography to check if Starbuck coffee has caffeine. True False

Chemistry
1 answer:
Katarina [22]3 years ago
5 0

Answer:

false?

Explanation:

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In an aqueous solution at 25°C, if [H30+] = 3.3 * 10^4 M, then [OH-] is:
sleet_krkn [62]

Answer:

[OH-] = 3.0 x 10^-19 M

Explanation:

[H3O+][OH-] = Kw

Kw = 1.0 x 10^-14

[H3O+][OH-] = 1.0 x 10^-14

[OH-] = 1.0 x 10^-14 / 3.3 x 10^4 = 3.0 x 10^-19

3 0
3 years ago
How much is 1 mole of salt or NaCl
Alexandra [31]

Hi there!

A mole is a type of unit measurement for an amount of a substance like in your cast, salt.

One mole of salt will be the equivalent to 58 grams

Hope this helped!~  

6 0
3 years ago
Nitrogen us a component of all​
Ede4ka [16]

Answer:

amino acids and urea

Explanation:

Amino acids are the building blocks of all proteins. Proteins comprise not only structural components such as muscle, tissue and organs, but also enzymes and hormones essential for the functioning of all living things. Urea is a byproduct of protein digestion.

4 0
3 years ago
Why do you think DNA has had such an impact on forensic science
Nuetrik [128]
Every single person has their own unique DNA so with this, if they find any fingerprints they'll be able to track them down easily
8 0
3 years ago
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Warm and cold air come together and neither air mass moves what kind of front is that
Marrrta [24]

Answer:

Stationary front

Explanation:

Stationary means they wont move ink but yeah thats  the answer

3 0
3 years ago
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