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2 years ago

Which is a characteristic of a solution

1 answer:

5 0

<span>A solution is somthing desolved in somthing else. By desolved i mean it needs to have some particals ionized a solid you place in water that dissosiates (ions split apart from each other) makes a solution a good solution you can make in your kitchen is a salt-water solution, Put some regular table salt in a glass and stir it and you will notice the salt "disapears" what happens is the sodium ions and the chloride Ions seperate and 'hide' between water molocules.

In basic terms only some substances can make a solutions others are refered to as insoluble as they can't be seperated in water or another solvent. In actuality however all ionic compounds (compounds that are composed of ions) are at least somewhat soluble, but don't dissociate well at all in some solvents.

Hope that helps</span>

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I am stuck on this lab and have absolutely no idea how to do it.

expeople1 [14]

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4 0

2 years ago

Read 2 more answers

Identify the following reactions as combination, decomposition, or combustion reactions

kkurt [141]

Answer:

1. combustion

2. decomposition

3. decomposition

4. combination

5. decomposition

6. decomposition

Explanation:

combination of a reaction is when 2 more or elements/ compounds combine to form a compound. example: (A+B→AB)

decomposition of a reaction is when a chemical breakdown. example: (AB→A+B)

a combustion reaction is when an element/ compound reacts with oxygen to form the product of water and carbon dioxide.

example: ( $C_{x}$ $H_{y}$ + $O_{2}$ → $H_{2}$ O + $CO_{2}$ )

7 0

1 year ago

What is the percentage of sodium presents in sodium hydrogen carbonate NaHCO3

STatiana [176]

Answer:-

27.38%

Explanation:-

Molecular weight of sodium hydrogen carbonate NaHCO3

= 23 x 1 + 1 x 1 + 12 x 1 + 16 x 3

= 84 gram

Total sodium Na present in NaHCO3 = 23 x 1 = 23 gram

Percentage of sodium present=

Total sodium x 100/ (Total molecular weight)

= 23 x 100 / 84

= 27.38 %

3 0

2 years ago

Perform the following operation and express the answer in scientific notation. 7.0x10^3x1.1x10^7

dimulka [17.4K]

Answer:

The answer is: $7.7\times10^{10}$

Explanation:

Scientific notation is of the kind: $a.bc\times10^{x}$

The given calculation:

$7.0\times10^{3}\times1.1\times10^{7}=(7\times1.1)\times10^{(3+7)}$

$=7.7\times10^{10}$

Therefore, the answer in scientific notation is: $7.7\times10^{10}$

4 0

2 years ago

What compound is the simplest aromatic compound?

aliina [53]

The correct answer among the choices given is option D. Benzene is the simplest aromatic compound. It is the basic unit or part of an aromatic compound. It has a configuration of six carbon atoms. Aromatic compounds can be monocyclic consisting of only one benzene or polycylclic consisting of many benzene rings.

4 0

2 years ago