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
san4es73 [151]
3 years ago
6

How many grams of CaCl2 are need to prepare 250 mL of a 0.15M solution?

Chemistry
1 answer:
Tanzania [10]3 years ago
4 0

Answer:

Here is what I got from reading this question...

Explanation:

So if you dissolve 7.5625- g of CaCl2 in water, dissolve well and then add distilled in a 250- ml standard flask upto the mark and shake well for uniform Concentration, you will get 0.25- M CaCl2 solution.

You might be interested in
What is the total pressure of a gas mixture containing partial pressures of
Advocard [28]

Answer:

1.54 atm

Explanation:

By Dalton's Law Of partial pressure,

Total Pressure = Sum of all partial pressures

So,P= P1 + P2 + P3

Therefore, P=0.23+0.42+0.89

=1.54 atm

8 0
2 years ago
Can aromatic compounds belong to other classes of compounds?
Elena L [17]
They certainly can. However, they have other groups that are used to classify a compound.
8 0
3 years ago
Osmotic pressure ____.a. occurs only in ionic solutions.b. is lower with 1 M NaCl than 1 M sucrose.c. is created using detergent
Firdavs [7]

Answer:

d. is the hydrostatic pressure produced on the surface of a semi-permeable membrane by osmosis.    

Explanation:

Osmosis -

It is the flow of the molecules of solvent from a region of higher concentration towards the region of lower concentration via a semipermeable membrane , is known as osmosis.

Osmotic pressure -

It refers to the minimum amount of pressure , which is required to be applied to the solution in order to avoid the flow of pure solvent via the semipermeable membrane , is referred to as osmotic pressure.

Or in simple terms ,

Osmotic pressure is the pressure applied to resists the process of osmosis.

Hence ,

From the given options in the question,

The correct option regarding osmotic pressure is d.

6 0
3 years ago
Similar rock formations have been discovered in the United States and Portugal. These rock formations were formed at the same ti
Ray Of Light [21]

theAnswer:A

Explanation:

6 0
2 years ago
(a) In a gaseous sample of oxygen atoms and diatomic oxygen in equilibrium at 298K andunder a pressure of 1atm, what fraction of
ZanzabumX [31]

Answer:

Explanation:see below as shown from pics

7 0
3 years ago
Other questions:
  • 1. Which processes are taking place in the system represented by the following equation?
    14·1 answer
  • Why does a beta particle have an atomic number of -1
    8·1 answer
  • In the electrolysis of molten fei3, which product forms at the cathode?
    6·1 answer
  • What happens to the density of water as its salinity increases? Please select the best answer from the choices provided
    5·2 answers
  • How could you measure the average kinetic energy of a group of particles
    5·2 answers
  • How many electrons does fluorine have? How many electron shells? How many electrons are needed to fill the valence shell?
    8·1 answer
  • Which term is used to describe the day of June 21 at north pole in terms of daylight and darkness
    7·1 answer
  • What is the relationship between the concentration of the hydronium and hydroxide ion and pH in any water solution?
    15·1 answer
  • I need help with these
    13·1 answer
  • The following is a sample question for brainliest. Brainliest will be given to the person who can answer the following question
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!