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Kryger [21]
2 years ago
14

A chemical ________ is like a recipe for a chemical substance.

Chemistry
1 answer:
goldfiish [28.3K]2 years ago
5 0

Answer:

iron

Explanation:

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What are some ways that organelles are similar to organ system?
Vaselesa [24]

Explanation:

Like organs in an organism, each organelle has a specific function in a cell. All of the organelles work together to carry out the functions of the cell as a whole, just as organs do to an organism. For example, mitochondria are the sites of cellular respiration; they provide energy the cell

4 0
3 years ago
4. A 0.51 kg solution contains 87 mg of potassium iodide. Calculate the W/W concentration
anzhelika [568]

Taking into account the definition of percentage composition, the percent composition of potassium iodide in this sample is 0.017%.

<h3>Definition of percent composition </h3>

The Percentage Composition is a measure of the amount of mass that an element occupies in a compound and indicates the percentage by mass of each element that is part of a compound.

To calculate the percentage of composition, it is necessary to know the mass of the element in a known mass of the compound.

<h3>Percentage Composition in this case</h3>

In this case, you know that a 0.51 kg (or 510000 mg, being 1 kg= 1000000 mg) solution contains 87 mg of potassium iodide.

Dividing the mass amount of potassium iodide present in the compound by the mass of the sample and multiplying it by 100 to obtain a percentage value, the percentage composition of potassium iodide is obtained:

percentage composition of potassium iodide=\frac{87 mg}{510000 mg} x100

<u><em>percentage composition of potassium iodide= 0.017%</em></u>

Finally, the percent composition of potassium iodide in this sample is 0.017%.

Learn more about percent composition:

brainly.com/question/24201923

brainly.com/question/9779410

brainly.com/question/17030163

#SPJ1

3 0
2 years ago
what is the total ionic and net ionic equation for for the reaction between between mercury (II) nitrate and iron (III) chloride
MArishka [77]

Answer:

Hg+2 + 2Cl- -> HgCl2






HOPE THIS HELPS HAVE A GREAT DAY/NIGHT!!~

Explanation:

7 0
2 years ago
Answer? giving brainlyest
salantis [7]

Answer:

r=3

Explanation:

6 0
3 years ago
A compound of carbon and hydrogen having one double covalent bond between two of the carbon atoms in the molecule is known as wh
Alexandra [31]
It would be known as a meth_(insert - ane, - ene, and -yne) hydrocarbon. 1 bond = -ane 2 bonds = - ene And so on.
7 0
3 years ago
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