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Rasek [7]
3 years ago
7

To calculate the molarity of a solution it is necessary to know the moles of solute and the

Chemistry
1 answer:
kirill115 [55]3 years ago
4 0
The molarity of a solution is the number of moles of a substance in one liter of the solution. To know the molarity of something, you must know the moles of solute and the volume of the solution.
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imine formation is an acid-catalyzed process, however the procedure performed in this does not require the addition of an extern
SVETLANKA909090 [29]

Answer:

See explaination

Explanation:

Reaction between p- toluidine and o- vaniline to form imine.This reaction does occur in the presence of a acidic source.

Here the -OH group in the o- vaniline is quite acidic so it acts a internal acidic catalyst. Hence the reaction occurred in the absence of any external acidic source.The reaction mechanism is given at the attached file.

please kindly see attachment.

7 0
3 years ago
How many kj of heat are needed to completely vaporize 1.30 moles of h2o? the heat of vaporization for water at the boiling point
Cerrena [4.2K]
The Kj of heat that  are needed to completely vaporize 1.30  moles of H2O  if  the heat of vaporization  for water is 40.6 Kj/mole  is calculated as  below

Q(heat) = moles x heat  of vaporization)

=1.30 mol  x40.6 kj/mol= 52.78 Kj  is needed
6 0
3 years ago
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Is syrup a compound or solution​
S_A_V [24]

Answer:

Syrup is a mixture of thick sticky liquid consisting of a concentrated solution of sugar and water with or without the addition of a flavoring agent or medicinal substance.

Explanation:

so compound

5 0
3 years ago
54,000,000 nanometers equals 0.000000054 megameters.
LiRa [457]
That is true b<span>ecause 1 nanometer = 1.0 × 10^-15 megameters.</span>
3 0
3 years ago
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Which of the following nuclei would be the least stable
Brut [27]

Answer:

C. 1 proton 3 neutrons

Explanation:

A nucleus is more stable if the ratio of the neutrons to protons is between 1:1 and 1:1.5.

Thus the ratios of neutrons to protons for  the nuclei are as follows

A- 1:1

B- 1:1

C- 1:3

D- 1:2

Among these ratios, C is the greatest thus the nucleus is the least stable.

6 0
3 years ago
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