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3 years ago

7

hỗn hợp E gồm 6 este có cùng CTPT C8H8O2 và đều chứa vòng benzen. Cho 68g phản ứng tối đa với V ml dd NaOH 1M đun nống, thu được

15g muối và 77,4g hh ancol Y. Giá trị của V là?

1 answer:

Lubov Fominskaja [6]3 years ago

7 0

Explanation:

just a few days ago and I have a

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Please help thank you

Fynjy0 [20]

Answer:

D

Explanation:

8 0

3 years ago

Perform the following calculations to the correct number of significant figures.

SSSSS [86.1K]

Answer: 460.624

Explanation:
1. Multiply the numbers
(24.5260 x 2.56) + 397.84
= (62.784) + 397.84

2. Add the numbers
(62.784) + 397.84
= 460.624

4 0

2 years ago

Explain, in terms of element classification, why KBr is an ionic compound

enot [183]

LBr is ionic compound because k for potassium is metal which means it’s on the left side of the periodic table and Br which is bromine is a non metal which means is on the right side of the periodic table.

In Conclusion when a non metal and metal come together the are called ionic compound

5 0

3 years ago

(a) In a gaseous sample of oxygen atoms and diatomic oxygen in equilibrium at 298K andunder a pressure of 1atm, what fraction of

ZanzabumX [31]

Answer:

Explanation:see below as shown from pics

7 0

3 years ago

Is the bond C=O polar or non polar

rewona [7]

Answer:

Non Polar

Explanation:

Non Polar molecule because of its linear symmetric shape

6 0

3 years ago