1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ira [324]
2 years ago
10

How many formula units make up 11.8 g of Magnesium Chloride (MgCl2)

Chemistry
1 answer:
lions [1.4K]2 years ago
4 0
<span>Avogadro's number represents the number of units in one mole of any substance. This has the value of 6.022 x 10^23 units / mole. This number can be used to convert the number of atoms or molecules into number of moles.

11.8 g ( 1 mol / 95.21 g ) ( 6.022 x 10^23 formula units / mol ) = 7.46 x10^22 formula units

Hope this answers the question. Have a nice day.

</span>
You might be interested in
According to the pattern of carbon and hydrogen atoms in alkenes, if a molecule has three carbon atoms, how many hydrogen atoms
Gekata [30.6K]
 <span>6. 

Because the general formula for alkenes is CnH2n</span>
4 0
2 years ago
Read 2 more answers
A turtle moves at a speed of 1.0km/h. How fast is the turtle moving in meter per second
e-lub [12.9K]

Answer:

The speed of the turtle is 9.41 centimeters per second.

Explanation:

Speed of small turtle = 566 furlong/fortnight

1 furlong = 20,116.8 cm

1 fortnight = 1,209,600 seconds

Speed of small turtle in centimeter per seconds:

The speed of the turtle is 9.41 centimeters per second.

Explanation:

5 0
2 years ago
Compound X has a molar mass of 316.25 g*mol^-1 and the following composition:
Leokris [45]

Answer:

Compound X has a molar mass of 316.25 g*mol^-1 and the following composition:

element & mass %

phosphorus & 39.18%

sulfur & 60.82%

Write the molecular formula of X.

Explanation:

The given molecule of phosphorus and sulfur has molar mass --- 316.25 g.

Empirical formula calculation:                      

element:              phosphorus                       sulfur

co9mposition:      39.185%                            60.82%

divide with

atomic mass:          39.185/31.0 g/mol           60.82/32.0g/mol

                              =1.26mol                           1.90mol

smallest mole ratio:   1.26mol/1.26mol =1      1.90mol/1.26 mol =1.50

multiply with 2:          2                                         3

Hence, the empirical formula is:

P2S3.

Mass of empirical formula is:

158.0g/mol

Given, molecule has molar mass --- 316.25 g/mol

Hence, the ratio is:

316.25g/mol/158.0 =2

Hence, the molecular formula of the compound is :

2 x (P2S3)

=P_4S_6

8 0
2 years ago
A flask holds 3.01 x 1023 molecules of carbon dioxide. The container is holding ________
sammy [17]
 (B), because 1.0 moles would be 6.02 x 10^23 molecules. So you have half a mole.<span>
</span>
8 0
3 years ago
Nucleotide bases bonded to a sugar phosphate backbone make up _____.
Alchen [17]
Nucleotide bases bonded to a sugar phosphate backbone make up nucleic acids such as DNA (deoxyribonucleic acid) and RNA (<span>ribonucleic acid)</span>. Nucleotides have three major parts: sugars, phosphates, and a nitrogenous base. DNA uses four nitrogenous bases: Adenine, Guanine, Cytosine, and Thymine. RNA uses the same bases except for Thymine, which is replaced by Uracil.
5 0
3 years ago
Other questions:
  • The mass-to charge ratio of the proton is found to be
    8·1 answer
  • An organism that is able to form nutritional organic substances from simple inorganic
    13·1 answer
  • In the reaction Mg(s) + 2H2O(l) --&gt; Mg(OH)2(s) + H2(g), what is the oxidation state of each H in H2(g)? A. +2 and –2 B. –1 an
    5·1 answer
  • PLEASE HELP ME DUE TOMORROW IT REALLY HELPS IF YOU HELP ME THANK YOU SO MUCH IS YOU DO HELP ME!!
    14·1 answer
  • Reactions which give out energy are endothermic
    6·1 answer
  • What type of bond is expected between two carbon atoms?
    7·1 answer
  • What hypothesis can be tested using the experimental set up shown in the picture? A) Light travels faster than sound. B) Light t
    14·2 answers
  • The process in which substances are changed into different substances is called
    14·1 answer
  • Gold can be found in native or pure state in nature why? Write any one anyone application of sulphur​
    9·2 answers
  • The multiple covalent bond in a molecule of 1-butene is a.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!