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
Paul [167]
3 years ago
11

Một hỗn hợp X gồm CH3OH; C2H5OH; phenol có khối lượng 28,9 gam phản ứng vừa hết với 100ml dung dịch NaOH 2M. Phần trăm theo khối

lượng phenol là ? Biết C = 12; O = 16; H = 1; Na = 23. *
Chemistry
1 answer:
inn [45]3 years ago
5 0

Answer: bạn viết phương trình Phenol + NaOH

=> nNaOH = nPhenol = 0,2 mol

m Phenol = 0,2x94 = 18,8 gam

%mPhenol = 18,8/28,9% = 65,05

Explanation:

You might be interested in
What type of bond ?
Gwar [14]
I dont get what you are asking is there answers?

6 0
2 years ago
Read 2 more answers
How many atoms are in one mole of gold? A) 1.97 x 1023 atoms. B) 6.02 x 1023 atoms C) 79 atoms. D) 197 atoms
Kobotan [32]

B. Is the Answer 6.022 * 1023


3 0
2 years ago
Read 2 more answers
Please answer #8 & #9
nydimaria [60]
What’s the questions ?
5 0
2 years ago
Read 2 more answers
Please help!
cricket20 [7]
1- metal and non metal
2- true
3- chlorine
7 0
2 years ago
Read 2 more answers
What is the number of orbitals in an atom of radon
yan [13]
86 elections so 43 orbitals
6 0
3 years ago
Other questions:
  • A 20.0-milliliter sample of HCl(aq) is completely neutralized by 32.0 milliliters of 0.50 M KOH(aq).
    6·2 answers
  • Which activity would be an appropriate first step when designing an experiment?
    11·2 answers
  • What is the difference between a bond and an intermolecular interaction?
    12·1 answer
  • How does sound travel through a medium
    15·1 answer
  • The reason radioactive isotopes can be followed through the steps of a chemical reaction or industrial process is that they
    7·1 answer
  • What is the percent enantiomeric excess (ee) of a mixture that has 86% of one enantiomer and 14% of the other
    11·1 answer
  • 2 The substance has a mass of 0.50 kg.
    11·1 answer
  • 17. this gas combines with iron in rock and turns it into<br> rust
    11·1 answer
  • Can someone give me a simple example of a exothermic reaction? Would a campfire be one?
    7·1 answer
  • 13. Base your answer to the following question on the information below and on your knowledge of chemistry.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!