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
Bond [772]
3 years ago
6

If a 40 g sample of NaCl is composed of 39.34% Sodium, how many grams of that sample are Sodium?

Chemistry
1 answer:
alina1380 [7]3 years ago
4 0

Answer:

15.7g

Explanation:

mass percent=mass of element/mass of compound *100

39.34=unknown(x)/40g×100

39.34=5x/2

multiplying both sides by 2,we get

5x=78.68

devide by 5 on both sides

x=15.74g Na

You might be interested in
Why are most solid ionic compounds electrically nonconductive, whereas aqueous solutions of ionic compounds are good conductors
Allisa [31]

Answer:

there must be free-moving electrons in a compound to conduct electricity.

in solid ionic compounds, there are no free electrons so it can't conduct electricity.

But in aqueous form the forces of attraction are broken and the ions (cations and anions) are free to move. This means there are free electrons that allow the aqueous compound to conduct electricity.

8 0
3 years ago
HELLLLLLLLPPPPPPPPPPPPPPPPPP
stealth61 [152]

Answer:

aa

Explanation:

There is a lowercase a on both sides.

4 0
3 years ago
Use your periodic table and calculator as needed for the following question.
sveticcg [70]
Hope you find this answer I need points
7 0
3 years ago
Suppose you are helping mccarthy choose her sample sites. you have the resources to conduct the study at only 4 sites. pick the
VARVARA [1.3K]

I dont know the answer

4 0
3 years ago
What are these smooth, distinct layers most directly evidence of ?
Neko [114]

Answer: The layers of the rocks in one region of the parks are smooth and distinct, which are evidence of many, many years of deposition. The layers on the rocks are because of different deposition of sediments. Different sediments deposited over the rocks through wind, water and ice over the ages

Explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • Consider the following thermochemical equations.
    7·1 answer
  • If you burn 22.6 g of hydrogen and produce 202 g of water, how much oxygen reacted
    8·1 answer
  • Someone please help!!
    6·1 answer
  • for every 10 yards on a football field there I boldly marked line labeled with the amount of yards there are two parallel sideli
    7·1 answer
  • Which subatomic particles have approximately the same mass?
    12·2 answers
  • You are determining the density of an unknown solid. You figure out the volume by water displacement. Then you weigh the solid,
    7·1 answer
  • During the electrolysis of cryolite ,aluminium and fluorine are formed in.......molar ratio​
    11·1 answer
  • PLEASE HELP ME!!!!! I NEED REAL HELP PLEASE I KEEP GETTING NON REAL ANSWERS!!
    15·1 answer
  • I WILL MARK BRAINLY-EST Do you think the way we perceive food in our culture supports the guidelines in MyPlate? Explain your
    13·1 answer
  • External Failure Costs Include The Following Costs Except__________ Costs.A Product-Returnb Lost Salesc Price-Downgradingd Warra
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!