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GaryK [48]
2 years ago
7

G Calculate the mass, in grams, of 225.0 atoms of cadmium, Cd (1 mol of Cd has a mass of 112.41 g).

Chemistry
1 answer:
serious [3.7K]2 years ago
3 0
Please please thank you lord lord thank
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What can change depending on the number of protons in an atom?​
Rudiy27

Answer:

The element of the atom.

Explanation:

The number of protons confirms what element is the atom.

7 0
2 years ago
Read 2 more answers
The atomic mass of chlorine is listed as 35.454 amu on the periodic table. It has two naturally occurring isotopes, Cl-35 and Cl
Fynjy0 [20]
X=percentage of Cl-35
(1-x)=percentage of Cl-35

35(x)+37(1-x)=35.454
35x+37-37x=35.454
-2x=35.454-37
-2x=-1.546
x=-1.546/(-2)
x=0.773

0.773=77.3/100=77.3%

(1-x)=1-0.773=0.227

0.227=22.7/100=22.7%

answer: the percentages are: 77.3% of Cl-35 and 22.7% of Cl-37. 

7 0
3 years ago
Almost. treating an acyl chloride with a grignard reagent tends to form (via two steps) an alcohol. what reagent forms the keton
PIT_PIT [208]
Reaction of Acyl Halides with Grignard reagent results in the formation of Ketones in first step. While in second step reaction of Grignard reagent with Ketones results in the formation of Tertiary Alcohols.

If you want to stop the reaction at Ketone stage then you are required to use another mild reactive organometallic compound. In our case we will use Organocuprates. Organocuprates are also known as Gilman Reagents. These reagents does not add to ketones, aldehydes and esters but they can add to acid halides to produce Ketones.

8 0
3 years ago
Explain the scientific word meaning of random
astraxan [27]
Odd, unusual, or unexpected.
5 0
3 years ago
Which of these is an example of a chemical change?
Elena-2011 [213]

Answer:

D. Burning a peice of wood

Explanation:

Because when you burn wood a chemical reaction happenes between the flames and the wood making the wood into ashes.

Hope this helps you :)

3 0
3 years ago
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