Asked Nov 22, 2019

If 45.0 g of NaCL are dissolved in enough water to make 400 ml of solutions, what is the concentration of the solutions in molarity?


Expert Answer

Step 1

The molarity of a solution can be calculated as given below.


Image Transcriptionclose

moles of solute Molarity Volume of solution inL

Step 2

Moles of NaCl = mass / molar mass = 45 g / 58.5 g mol-1 = 0.77 mol.

Volume of solution is 400 ml = 400 * 10...


Image Transcriptionclose

0.77mol Molarity 1.925M 400 10L


Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in



Physical Chemistry

Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A

Q: Calculate the equilibrium concentrations of the different species in a 0.0100 M solution of sulfurou...

A: H2SO3 is a weak diprotic acid and has two dissociation constants. The equations that depict dissocia...


Q: The addition of  1.250 g of zinc metal (65.38 g/mol) to 0.100 L of  0.1912  M HCl in a coffee-cup ca...

A:  Mass of zinc = 1.250gMolarity of HCl= 0.1912MVolume of HCl = 0.1LTemperature difference = (21.95-15...


Q: Chromium has a density of 7.19 g/cm3 and crystallizes in a body-centered cube. What is the atomic ra...

A: Given,Density of 7.19 g/cm3 The atomic weight of chromium is 51.9961 g/mol


Q: With the attached data, how do I calculate the mass percent of vinegar?

A: Click to see the answer


Q: Enter your answer in the provided box. Calculate ΔG Enter your answer in the provided box.4 for the...

A: Given: Ksp of BaF2 is 1.7×10−6.Gibbs free energy:


Q: Arrange the following molecules from largest to smallest dispersion: CH4 CH3CH2CH2CH2CH3 CH3C(CH3)2C...

A: Dispersion forces depends on the total mass of the species.Larger molecules have larger dispersion f...


Q: How do I solve #65?

A: In the given process, heat transfers from one substance to the other substance, then the value of q ...


Q: Several methanol (CH3OH) dimers are drawn below, and several proposed intermolecular bonding interac...

A: Valid and invalid hydrogen bonds shown in the several methanol dimers are to be identified.


Q: 1) What is the total number of valence electrons in the Lewis structure of NHF2? electrons (2) Draw ...

A: The total number of valence electrons in the Lewis structure of NHF2 is to be determined.Lewis struc...