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Tems11 [23]
3 years ago
11

Define formala mass of a compound​

Chemistry
1 answer:
mixer [17]3 years ago
4 0
The formula mass of a substance is the sum of the average atomic masses of each atom represented in the chemical formula and is expressed in atomic mass units. The formula mass of a covalent compound is also called the molecular mass. ... The mass in grams of 1 mole of substance is its molar mass.
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What is the final concentration (M) of a solution prepared by diluting 50.0 mL of a solution to a volume of
docker41 [41]
0.600
D) 0.600 is the final concentration of the solution of KCl.
V1 = 50.0 mL.
6 0
2 years ago
Why is concentrated sulphuric acid is weak acid​
frez [133]

Answer:

Sulfuric acid is a strong acid in any state

Explanation:

You may be thinking if the definition that a weak acid produces relatively few ions in aqueous solution,

If you have 100 % sulfuric acid, there is no water, so the definition does not apply.

Commercial sulfuric acid contains about 2 % water. The sulfuric acid in that small amount of water consists of about 99 % HSO₄⁻ and 1 % SO₄²⁻. The acid is almost completely ionized.

Sulfuric acid is a strong acid.

7 0
3 years ago
Examples for non metals​
nadezda [96]

Answer:

you can write plastic , paper , stone e.t.c

Explanation:

non metals means who are not being attracted by magnets

                                        or

which does not have good conductor of heat and electricity

          some others examples can be sulpher

4 0
2 years ago
What type of volcano will most likely form when an eruption takes place with explosive force and layers of ash accumulate? I WIL
Vikki [24]

Answer:

A.) A cinder cone vocano

Explanation:

Cinder cone volcanos give off more ash, rather then an explosion, hense the name "cinder cone".

4 0
2 years ago
Read 2 more answers
What is the molarity of an intravenous glucose solution prepared from 108 g of glucose in 2.0 L of solution? 0.018 mol/L 0.30 mo
scZoUnD [109]

Answer:

0.30 mol/L

Explanation:

Mass = 108 g

Molar mass of glucose = 180.156 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

Moles= \frac{108\ g}{180.156\ g/mol}

Moles= 0.5995\ mol

Given Volume = 2 L

Molarity=\frac{Moles\ of\ solute}{Volume\ of\ the\ solution}

Molarity=\frac{0.5995}{2}

<u>Molarity = 0.3 mol/L</u>

7 0
3 years ago
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