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zaharov [31]
3 years ago
7

How many moles are there in 200 grams of CI?

Chemistry
2 answers:
ikadub [295]3 years ago
7 0
There are approximately 70.906
vekshin13 years ago
7 0
Formula for moles to grams is n=m/mm; moles is= mass divided by molar mass. molar mass if found under the chemical symbol of the chemical in the periodic table. For chlorine the molar mass is 35.453. so you would do 200/35.453 to get the moles which is 5.64 moles. however i would double check if the chemical is Cl or Cl2 because if chlorine is in its gas phase it usually diatomic (Cl2) in which case you wouldd just double the moles mass
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In the reaction of silver nitrate with copper metal, metallic silver comes out of solution, and the solution turns blue. This as
nlexa [21]

In the reaction of silver nitrate with copper metal, metallic silver comes out of solution, and the solution turns blue. This as a <u>single replacement</u> reaction.

<h3>What is single replacement reaction?</h3>

A single replacement reaction, also known as a single displacement reaction, occurs when one element in a molecule is swapped out for another. The starting materials are always pure elements, such as a pure zinc metal or hydrogen gas, plus an aqueous compound.

A + BC → B + AC

When A is more reactive than B or when the product AC is more stable than BC, single replacement reactions happen. A and B could either be two halogens or two metals (with hydrogen included) (C is a cation). C functions as a spectator ion when BC and AC are in aqueous solutions.

For example, 2HCl(aq)+Zn(s)→ZnCl₂(aq)+H₂(g)

Learn more about single replacement reactions here:

brainly.com/question/19068047

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8 0
2 years ago
A sample of the chiral molecule limonene is 79% enantiopure. what percentage of each enantiomer is present? what is the percent
Degger [83]

Answer :  The % of (+) limonene isomer = 79%


                The % of (-) limonene isomer = 0%


                The % of enantiomeric excess = 58%


Explanation :   Enantiomeric excess (ee) is the measurement of purity used for chiral substances.


Given,


% of pure limonene enantiomer = The % of (+) limonene isomer = 79%


Therefore, The % of (-) limonene isomer = 0%


Formula used :  

\%(+)\text{ isomer}=\frac{ee}{2}+50\%


Where,         ee → enantiomeric excess


Now, put all the values in above formula, we get the value of enantiomeric excess (ee).


     {ee}=\frac{\%(+)-50\%}{2}


            =\frac{79\%-50\%}{2}


              = 58%



7 0
3 years ago
Read 2 more answers
Answer the following question using the reaction: AB ---&gt; A+B
Vadim26 [7]

Answer:

So whats the question?

Explanation:

3 0
3 years ago
What element(s) must be present in a molecule for it to be considered an organic molecule?
Burka [1]
Carbon is the one and only element to make a molecule organic.
4 0
3 years ago
How much heat is absorbed when 447 g of water , Cp = 4.184 J/goC, goes from 25.0 oC to 35.0 oC?
Digiron [165]

Answer:

The answer to your question is  Q = 18702.5 J

Explanation:

Data

mass of water = m = 447 g

Cp = 4.184 J/g°C

Temperature 1 = T1 = 25°C

Temperature 2 = T2 = 35°C

Heat = Q = ? Joules

Process

1.- Write the formula to calculate heat

    Q = mCp(T2 - T1)

2.- Substitution

    Q = (447)(4.184)(35 - 25)

3.- Simplification

    Q = (447)(4.184)(10)

4.- Result

    Q = 18702.5 J

8 0
3 years ago
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