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Vladimir [108]
2 years ago
6

Hello I need help please

Chemistry
1 answer:
valkas [14]2 years ago
5 0

Answer:

The concentration of an acid in a solution can be determined by making an acid-base titration. To do this, a known volume of the acid solution is gradually added alkali solution whose concentration is known, until a neutral pH is reached.

Explanation:

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Which of the following is a non polar molecule ?
lubasha [3.4K]

N2 is non polar because electronegative of both the atoms are same and N2 also have linear shape

3 0
3 years ago
Write the molecular formula for the compound that exhibits a molecular ion at M+ = 112.0499. Assume that C, H, N, and O might be
IceJOKER [234]

Answer:

C₅H₈N₂O

Explanation:

The molecular formula denotes the various forms of atoms contained in a molecule at a particular fixed proportion.

The molecular ion M⁺ = 112.0499

and the exact mass values are given as follows:

C = 12.000

H = 1.0078

N = 14.003

O = 15.995

By assumption:

C = 12.000 × 5 = 60.0000

H = 1.0078 × 8 =    1.0078

N = 14.003 × 2 =  28.0060

<u>O = 15.995 × 1 =   15.9950    </u>

<u>                         = 112.0634     </u>

This is approximtely equal to 112.0499.

As such the Molecular formula for the compound = C₅H₈N₂O

7 0
3 years ago
DNA is an example of a:<br> O A. Compound<br> B. Element<br> c. Mixture<br> D. Atom
Simora [160]

Answer:

The answer is option A.

Compound

Hope this helps you

5 0
3 years ago
How many carbon atoms are in 26-hydrogen alkyne
navik [9.2K]
An alkyne contains four carbon atoms.... so if you do 26 multiplied by 4 it equals 104... I do not know if that’s the answer so I apologize if it’s wrong :,)
5 0
3 years ago
Reaction of hypochlorous acid and ammonia is product-favored system at equilibrium. Answer A: Reaction of hypochlorous acid and
pickupchik [31]

Answer:

A. True

B. False

Explanation:

Reaction between hypochlorous acid and ammonia does not yields a Ph value of 7.00 , this value is defined to water and no other reaction can yield exactly this Ph value. The acid reaction will give a Ph value below 7 while a base reaction will give Ph value of above 7.

7 0
2 years ago
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