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
marishachu [46]
3 years ago
15

How many formula units are in 25.4 g of MgCl2?

Chemistry
1 answer:
stiv31 [10]3 years ago
5 0

Answer: 1.58 x 10^{23}

Explanation:

1 mole of magnesium chloride has a mass of 95.211 g and contains 6.022⋅10^{23}formula units of magnesium chloride, you can say that,

25.0 g x (6.022 x 10^{23} form units MgCl2) /95.211 = 1.58 x 10^{23}

You might be interested in
Would an opah fish be better suited to live in cold water or warm water? explain why
Kaylis [27]

Don't blame me if you get it wrong i'm a dumb but yet successful student

Warm blood gives deep-sea fish a boost, according to Wegner. The opah's muscles and nervous system likely function faster than an equivalent fish with cold blood. ... This fish, the southern opah, lives in colder waters than the northern opah, so it would be harder to keep warm, Wegner said — but even more beneficial.

4 0
3 years ago
Water,h2o is an example of
expeople1 [14]
Polair molecule, because the oxygen is slightly more negative than the two hydrogen atoms. Making water slightly negative. Due to the fact oxygen holds the to valence electrons more than the two hydrogen atoms do.
4 0
3 years ago
Read 2 more answers
Which lists the waves in order of frequency, from highest to lowest?
Ulleksa [173]

Answer:

C

Explanation:

I just aswered this question and i got it right

7 0
3 years ago
Read 2 more answers
A 32.8 g iron rod, initially at 22.4 C, is submerged into an unknown mass of water at 63.1 C, in an insulated container. The fin
laila [671]

Answer:

mass water = 32.4 g

Explanation:

specific heat iron = 0.450 J/g°C

specific heat water = 4.18 J/g°C

32.8 x 0.450 ( 59.1 - 22.4) + mass water x 4.18 ( 59.1- 63.1)=0

541.7 - mass water x 16.7 = 0

mass water = 32.4 g

3 0
2 years ago
You are taking a 578.23 mile trip to visit your grandparents. What is the distance of this trip in kilometers?
Tamiku [17]
578.23 miles = 930.6 kilometers (Rounded up to the nearest tenth.)
5 0
3 years ago
Other questions:
  • In the following reaction: Mg + 2HCl → MgCl2 + H2 How many liters of H2 would be produced if you started with 24.3 g of Mg?
    5·1 answer
  • Rubbing alcohol evaporates from your hand quickly, leaving a cooling effect on your skin. Because evaporation is an example of a
    12·1 answer
  • Which of the following is a mixture? <br> Water (H2O), Gold, or Kool-Aid
    6·1 answer
  • What is the most reactive metal on the periodic table?
    7·1 answer
  • Find the difference 18/19 - 17/19<br> A. 2/19<br> B. 8/19<br> C. 1/19<br> D. 9/19
    10·1 answer
  • 15 mL of acid 2 M was added to 20 mL of base 2 M into a calorimeter at room temperature (24 oC). The reaction mixture reached a
    10·1 answer
  • A very flammable substance would not be used in children’s clothing. Please select the best answer from the choices provided T F
    12·1 answer
  • A gas occupies 25.3 at pressure of 790.5 mmHg. Determine the volume if the pressure is reduced to 8.04 mmHg
    5·1 answer
  • Diamonds have a density of 3.26 g/mL. What would be the mass of a diamond with a volume
    10·1 answer
  • What is a scientific law?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!