Which statement best describes salts

2 answers:

8 0

A salt is a compound that can be produced by the reaction of a acid with a base. It contains a positive ion of a base and a negative ion of a acid. The reaction between a acid and base is called a neutralisation reaction.

satela [25.4K]3 years ago

5 0

the answer is

Solutions of salt and water conduct electricity.

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Find the approximate atomic mass of a water molecule (h2o). give your answer in atomic mass units rounded to the nearest whole n

Blizzard [7]

First step is to get the mass of water molecule in grams:
From the periodic table:
molar mass of hydrogen is 1
molar mass of oxygen is 16

molar mass of a water molecule = 2(1) + 16 = 18 gm

Now, to convert the gm into amu, all you have to do is multiply the gm you got by Avogadro's number as follows:
mass of water molecule = 18 x 6.22 x 10^23 = 1.1196 x 10^25 amu which is approximately 1 x 10^25 amu

4 0

3 years ago

Read 2 more answers

Which Group 15 element exists as diatomic molecules at STP?

ikadub [295]

Answer: The correct option is 2.

Explanation: Group 15 elements are Nitrogen, phosphorous, Arsenic, Antimony, Bismuth.

To know whether an element exits as a diatomic molecule or not, we look at the atomicity of an element.

Atomicity is the number of atoms of an element combining to form a molecule.

Atomicity of Nitrogen = 2

Atomicity of Phosphorous = 4

Atomicity of Bismuth = 1