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
Jlenok [28]
3 years ago
9

How many moles of ca(oh)2 are in 25ml of 1.5 M solution?

Chemistry
1 answer:
Klio2033 [76]3 years ago
6 0
Molar concentration is

C=\frac{\eta}{V}

[V]=Liters

[\eta]=mol

\eta=C*V

V=25~mL=0.025~L

\eta=1.5*0.025

\boxed{\boxed{\eta=0.0375~moles}}
You might be interested in
Which is one characteristic of hurricanes?
siniylev [52]

Given the following choices, determine which best suits as a characteristic of a hurricane.

Answer Choices:

A. Hurricanes occur mostly inland

B. Hurricanes create widespread damage

C. Hurricanes can only last for a short amount of time

D. Hurricanes gain strength after passing overland

Best Answer: B. Hurricanes can create widespread damage.

Reason: A would not be correct since it is more of a variable, due to the fact that hurricanes usually begin near the coastlines, hurricanes are in fact capable of moving inland for atleast 100 miles before it dies down to a tropical storm or depression.

C is not correct since hurricanes can last up to a whole week which is approximately 168 hours.

D is not correct since it is another variable in which hurricanes can decrease in strength if it comes into contact with cool and dry air which is the opposite of warm and moist which it needs in order to occur.

Therefore, the best choice is B. Hurricanes can create widespread damage, hurricanes can unleash a staggering arsenal of mother nature's strength and the most damage a hurricane has caused can go up to 125 billion USD in damages.

5 0
3 years ago
Read 2 more answers
The combustion reaction for methane is shown below:
horrorfan [7]

Answer:

P =  14.1 atm    

Explanation:

Given data:

Mass of methane = 64 g

pressure exerted by water vapors = ?

Volume of engine = 24.0 L

Temperature = 515 K

Solution:

Chemical equation:

CH₄ + 2O₂      →      CO₂ + 2H₂O + energy

Number of moles of methane:

Number of moles = mass / molar mass

number of moles = 64 g/ 16 g/mol

Number of moles = 4 mol

Now we will compare the moles of water vapors and methane.

              CH₄          :            H₂O  

                 1            :             2

                 4            :         2/1×4 = 8 mol

Pressure of water vapors:

PV = nRT

R = general gas constant = 0.0821 atm.L/mol.K

P = 8 mol × 0.0821 atm.L/mol.K× 515 K / 24.0 L

P = 338.25 atm.L/ /  24.0 L

P =  14.1 atm      

4 0
3 years ago
Why did the increase in consumerism occur in the Roaring Twenties?(1 point)
enot [183]

Answer:

A. There were new technologies and new innovations to drive the sale of goods, since people could afford them

Explanation:

7 0
3 years ago
Read 2 more answers
WORTH 53 POINTS AND BRAINLIEST!!!
Natali5045456 [20]
The answer would be D carbon dioxide
8 0
3 years ago
Read 2 more answers
23) A common reaction that occurs in cells is shown here. In the presence of oxygen, a glucose molecule is combusted to form car
maw [93]

Answer:

C

Explanation:

add them together and multiply by 2

5 0
2 years ago
Other questions:
  • A reaction has a standard free-energy change of -14.50 kJ mol(-3.466 kcal mol). Calculate the equilibrium constant for the react
    14·1 answer
  • I have no idea what I'm doing in chemistry please help.
    10·1 answer
  • Is precipitate in water an electrolyte solution
    8·1 answer
  • Which of the following is NOT an example of a physical change? *
    5·1 answer
  • What is the WATER concentration in 1 liter of a solution that contains 2 moles of ions? (NOT the ion concentration)
    13·1 answer
  • 2 Points
    6·2 answers
  • 1.) The following is a close view of particle movements. Which state of<br> matter are you viewing?"
    11·1 answer
  • How many elements are found in the third period. A.2 B.18 C.8 D.32​
    8·2 answers
  • Answer is +25 !!!!!! F.... <br> Dont pay
    11·1 answer
  • PLEASE HELP QUICK I NEED 14-16 (JUST 6 PROBLEMS) ANSWERED AND FULL WORK SHOWN FOR FACTOR LABEL METHOD ITS 100 POINTS AND I WILL
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!