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
chubhunter [2.5K]
3 years ago
6

What is the molarity of a solution made with 400 grams of copper II chloride in 3.5 liters of water?

Chemistry
1 answer:
Leni [432]3 years ago
4 0

Answer:

0.85M

Explanation:

Given parameters:

Mass of CuCl₂  = 400g

Volume of water  = 3.5L

Unknown:

Molarity of the solution = ?

Solution:

Molarity is one of the ways of expressing the concentrations of a solution. It is defined as the number of moles per unit volume of a solvent.

          Molarity  = \frac{number of moles}{volume}

To find the number of moles of CuCl₂;

    Number of moles  = \frac{mass}{molar mass}

  Molar mass of CuCl₂ = 63.6 + 2(35.5)  = 134.6g/mol

   Number of moles  = \frac{400}{134.6}   = 2.97moles

      Molarity  = \frac{2.97}{3.5}    = 0.85M

You might be interested in
Chemical bonds release energy when they break apart, and take in energy when they form. How does this observation help explain t
soldier1979 [14.2K]
ENERGY WOULD BE RELALISED, MEANING BONDS ARE BEING BROKEN, SO IT IS AN EXOTHERMIC REACTION
6 0
2 years ago
Read 2 more answers
Nitric oxide (NO) is a gaseous molecule with lipid solu- bility similar to that of O2 and CO2. Endothelial cells lining arteries
svp [43]

Answer:

NO passively diffuses down its concentration gradient through the endothelial cell plasma membrane out of the cell and then passiveley diffuses through the plasma membrane into the cytoplasm of the smooth muscle cell, where it acts to decrease contraction.

Explanation:

Hello,

At first, we must consider that O_2 and CO_2, NO passively diffuses through membranes. As it is produced by an enzyme and accumulates in the endothelial cell cytosol, NO passively diffuses down its concentration gradient through the endothelial cell plasma membrane out of the cell and then passiveley diffuses through the plasma membrane into the cytoplasm of the smooth muscle cell, where it acts to decrease contraction.

Best regards

5 0
3 years ago
What is the correct name for TiF3
trapecia [35]

Answer:

Titanium fluoride

Explanation:

6 0
2 years ago
Read 2 more answers
The movement of rock pieces and other materials on Earths surface is called __________?
dangina [55]
The movement of rock pieces and other materials on earth's surface is called Weathering
5 0
2 years ago
What is Molecular mass?​
MArishka [77]

Answer:

Molecular mass is the amount of mass associated with a molecule. It is also called as molecular weight. It can be calculated by adding the mass of each atom multiplied by the number of atoms of the element present in the molecule. For example, water is made up of 2 hydrogen atoms and 1 oxygen atom.

Explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • If 3 g of element C combine with 8 g of element D to
    7·1 answer
  • Because copper is a metal, it is what?
    7·1 answer
  • Lakes can disappear due to *
    7·1 answer
  • Animals can change the energy in food into energy the animals can use. What type of energy is in the food before the animals cha
    5·1 answer
  • How much glycerol ( is liquid supplied at 100%) would you need to make 200 mL of 20% v/v (volume/volume) glycerol solution?
    9·1 answer
  • The science of using tree rings to determine absolute age is called
    11·2 answers
  • What name is given to group II elements in the periodic table
    6·2 answers
  • Potassium hydroxide has the chemical formula KOH. It feels slippery and is used in cleaning liquids. Based on this description,
    8·1 answer
  • Select the answer that lists the radiation waves in order of increasing
    6·1 answer
  • Calculate the pressure of 2 mol of a gas at 300 K in 8 L container.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!