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Zielflug [23.3K]
3 years ago
11

What is the fnction of a cell membrance

Chemistry
2 answers:
velikii [3]3 years ago
8 0
The cell membrane serve as barriers. they keep toxic stuff out and has receptors that allows certain molecules
nydimaria [60]3 years ago
3 0

Answer:

Maybe to hold the whole parts of the cell

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Please help me fast
alisha [4.7K]

Answer:

60.7 mole

Explanation:

for every 4 moles of iron 3 moles of oxygen is used.

So, moles of oxygen = \frac{3 * 80.9}{4} = 60.675

4 0
3 years ago
Read 2 more answers
The density of osmium, which is the densest metal, is 22.57 g/cm^3. What is the mass of a block of osmium that measures 1.00 cm
olganol [36]
Density = Mass / Volume
V = 1.00 * 4.00 * 2.50 = 10 cm³
22.57 g/cm³ = Mass / 10 cm³
M = 22.57 g/cm³ * 10 cm³
M = 225.7 g
Answer: The mass of the block of osmium is 225.7 g.
7 0
3 years ago
Read 2 more answers
How come there is only 3 C5H12 isomers?
liraira [26]

That's because the first and last carbon atoms cannot be branched to form an isomer . Therefore only the three middle carbon atoms can form isomers.

4 0
3 years ago
There are 34 questions on a test. John answers 22 correctly. What is Johns percent error?
VARVARA [1.3K]

Answer:

35 . 29%

Explanation:

no. of questions in test =34

no. of questions answered correctly =22

therefore, no. of questions answered incorrectly =34 - 22

=12

error percentage = 12/34 * 100

=35 .29 %

4 0
3 years ago
Which compound plays an important role in leather processing and electroplating?
Margaret [11]

<u>Answer;</u>

  • Hydrochloric acid

<u>Explanation;</u>

  • Hydrochlorc acid plays a vital role in leather processing and electroplating.
  • Hydrochloric acid has a number of important applications in real life these includes; fertilizers, and dyes, textile, in electroplating, rubber and in the photographic industries.
  • Electroplating is the process that involves coating a metal using another metal for the purpose of improving their appearance or preventing rusting.
  • Hydrochloric acids is used in the processing of leather or the tanning of leather process, in which tanneries use the acid to stop the growth of bacteria and also maintain proper pH.

7 0
3 years ago
Read 2 more answers
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