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
spin [16.1K]
3 years ago
5

What is the molality of a solution that is obtained by dissolving 2.922 g of NaCl into 1000.0 g of water if the molar mass of Na

Cl is 58.44 g/mol? Use mc003-1.jpg. 0.05000 m 2.922 m 5.856 m 20.00 m
Chemistry
1 answer:
never [62]3 years ago
4 0
In order to find molarity, you must first find the number of moles that was dissolved.

Now, Moles = Mass ÷ Molar Mass
                   
⇒  Moles of NaCl  = 2.922 g ÷ 58.44 g/mol 
                       
                               = 0.05 moles

∴ the Molarity of the NaCl is 0.05 M [Option 1]
You might be interested in
Water molecules that remain in a fixed position with very little motion would be characteristic of
Dominik [7]
Ice because the molecules have less movement in solids
6 0
3 years ago
True or False
goldenfox [79]

Answer:

I believe its True

4 0
3 years ago
Read 2 more answers
Can someone please help
Ratling [72]

Answer:

1. c) shiny

2) True. Reactivity is a chemical property.

6 0
3 years ago
Read 2 more answers
Which pair of elements form an ionic bond with each other?
kherson [118]
1) KCl 
Potassium Chloride is an ionic bond because it exists between a metal and a nonmetal. The Potassium ion is a cation, carrying a +1 charge; the Chlorine is an anion, carrying a -1 charge. 
8 0
3 years ago
Baking soda (NaHCO3) can be added to a fruit mix solution to create a carbonated drink. An example is the reaction between bakin
DanielleElmas [232]

Answer:

74.4 ml

Explanation:

          C₆H₈O₇(aq) + 3NaHCO₃(s) => Na₃C₆H₅O₃(aq + 3CO₂(g) + 3H₂O(l)

Given     15g = 15g/84g/mol = 0.1786mole Sodium Bicarbonate

From equation stoichiometry 3moles NaHCO₃ is needed for each mole citric acid or, moles of citric acid needed is 1/3 of moles sodium bicarbonate used.

Therefore, for complete reaction of 0.1786 mole NaHCO₃ one would need 1/3 of 0.1786 mole citric acid or 0.0595 mole H-citrate.

The question is now what volume of 0.8M H-citrate solution would contain 0.0595mole of the H-citrate? This can be determined from the equation defining molarity. That is => Molarity = moles solute / Liters of solution

=> Volume (Liters) = moles citric acid / Molarity of citric acid solution

=> Volume needed in liters = 0.0.0595 mole/0.80M = 0.0744 Liters or 74.4 ml

6 0
3 years ago
Other questions:
  • How do you find the percent composition of CuBr2
    13·1 answer
  • Carbon and silicon are tetravalent but ge sn pb show di valency. Why
    8·1 answer
  • Which of the following energy sources harnesses the power of waves?
    12·2 answers
  • what do all word equations start with? what comes next in the word equation? how is the word equation concluded ?
    13·1 answer
  • Which mixture can be separated based on differences in particle size of the components?
    6·1 answer
  • I need help with 1-4 can someone help me?
    10·1 answer
  • Calculate the volume of a cube of side 10 cm
    14·2 answers
  • Calculate the number of moles of NaOH that are needed to react with 500.0 g of
    7·1 answer
  • 4. Complete the reaction : Copper Sulphate (Cuso.) + Iron (Fe)-> + Copper ( Cu) ,1. Zinc Sulphate ( ZnSO2) ,
    13·1 answer
  • Why it is important for humans to conserve freshwater?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!