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
lisov135 [29]
3 years ago
5

How many grams does f Cacl2 should be dissolved in 750.0 mL of water to make a 0.100 M solution Cacl2

Chemistry
1 answer:
AVprozaik [17]3 years ago
6 0

Answer:

8.324 g

Explanation:

First we <u>convert 750.0 mL into L</u>:

  • 750.0 mL / 1000 = 0.750 L

Then we <u>calculate the required number of moles of CaCl₂</u>, using the <em>definition of molarity</em>:

  • Molarity = moles / liters
  • Molarity * liters = moles
  • 0.100 M * 0.750 L = 0.075 mol

Finally we <u>convert 0.075 moles of CaCl₂ into grams</u>, using its <em>molar mass</em>:

  • 0.075 mol * 110.98 g/mol = 8.324 g
You might be interested in
What is a round body of water formed by a glacier?
photoshop1234 [79]
Its usually referred to as a glacial lake.
5 0
3 years ago
Which cell structure is the gatekeeper, controlling what goes in and out of the cell?
Katena32 [7]
The answer c) A- Cell membrane because it selects what molecules enter/exit the cell
8 0
4 years ago
Read 2 more answers
Each elements on the periodic chart is made up of a certain kind of atom. Agree or Disagree reason why
shutvik [7]
All atoms are made up of different amounts of atoms. Ex: some may have two some may have 3
4 0
4 years ago
Of the following equilibria, only ________ will shift to the right in response to a decrease in volume. N2 (g) + 3H2 (g) 2NH3 (g
igomit [66]

Answer:

Of the following equilibria, only one will shift to the right in response to a decrease in volume.

N_2 (g) + 3H_2 (g)\rightleftharpoons 2NH_3 (g)

On decreasing the volume the equilibrium will shift in right direction due to less number of gaseous moles on product side.

Explanation:

Any change in the equilibrium is studied on the basis of Le-Chatelier's principle.

This principle states that if there is any change in the variables of the reaction, the equilibrium will shift in the direction to minimize the effect.

Decrease the volume

If the volume of the container is decreased , the pressure will increase according to Boyle's Law. Now, according to the Le-Chatlier's principle, the equilibrium will shift in the direction where decrease in pressure is taking place. So, the equilibrium will shift in the direction number of gaseous moles are less.

N_2 (g) + 3H_2 (g)\rightleftharpoons 2NH_3 (g)

On decreasing the volume the equilibrium will shift in right direction due to less number of gaseous moles on product side.

2 Fe_2O_3 (s) \rightleftharpoons 4 Fe (s) + 3O_2 (g)

On decreasing the volume the equilibrium will shift in left direction due to less number of gaseous moles on reactant side.

2 SO_3 (g) \rightleftharpoons 2 SO_2 (g) + O_2 (g)

On decreasing the volume the equilibrium will shift in left direction due to less number of gaseous moles on reactant side.

H_2 (g) + Cl_2 (g) \rightleftharpoons 2 HCl (g)

On decreasing the volume the equilibrium will shift in no direction due to same number of gaseous moles on both sides.

2HI (g) \rightleftharpoons H_2 (g) + I_2 (g)

On decreasing the volume the equilibrium will shift in no direction due to same number of gaseous moles on both sides.

8 0
3 years ago
100 POINTS ORGANIZE THIS A$AP
velikii [3]

C6H12O6, MgCL2, NaCl are compounds

Pb is element

O2 is neither compound nor element, it's a molecule. But if must need to categorize it, then you can consider it in element, but remember it's not an element

8 0
3 years ago
Read 2 more answers
Other questions:
  • A beaker with water and the surrounding air are all at 24°C. After ice cubes are placed in the water, heat is transferred from:
    13·2 answers
  • What happens when you mix silver nitrate with water?
    13·2 answers
  • A sample of phosphonitrilic chloride, PNCl2, contains 0.170 mol of the compound. What is the mass of the sample, in grams?
    8·1 answer
  • The radioactive element​ carbon-14 has a​ half-life of 5750 years. a scientist determined that the bones from a mastodon had los
    13·1 answer
  • What is the H in a solution with pOH of 0.253?
    11·1 answer
  • What is fermentation​
    15·2 answers
  • How would i balance this equation?
    9·1 answer
  • Which of these make up the mass of an atom?
    8·2 answers
  • What is a solute?
    9·1 answer
  • In 2021 the James Webb Telescope will begin operation focusing on infrared wavelengths and must be kept extremely _______.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!