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cluponka [151]
3 years ago
10

2+4 help please i will fail 6th grade

Chemistry
1 answer:
andrey2020 [161]3 years ago
4 0

Answer:

6

Explanation:

lol

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Here is Beck's address:
Bezzdna [24]

Answer:

The answer is San Jose

3 0
2 years ago
a 150.0 ml sample of an aqueous solution at 25°c contains 20.0 mg of an unknown nonelectrolyte compound. if the solution has an
Nostrana [21]

The molar mass of the unknown compound is <u>223.2 g/mol.</u>

<u />

Solution:

Molarity =  \frac{Weight}{molecularweight}  * \frac{1000}{Volume (ml)}

4.54*10^{-4} = \frac{0.0152g}{molecularweight} * \frac{1000}{150.ml}

Molecular weight =<u> 223.2 g/mol</u>

<u />

The main difference between the two is that molar mass refers to the mass of one mole of a particular substance. Molecular weight is the mass of a molecule of a particular substance. Although the definitions and units of molar mass and molecular weight are different, the values ​​are the same.

The formula mass of a molecule is the sum of the atomic weights of the atoms in that molecular formula. The molecular weight of a molecule is the average mass calculated by adding the atomic weights of the atoms in the molecular formula. Molecular weight is the mass of a single molecule, specifically the mass of material required to make a single mole.

Learn more about Molecular weight here:-brainly.com/question/26388921

#SPJ4

3 0
2 years ago
Practice Problem #2 - Frank has an eraser with a mass of 10g and a volume
kobusy [5.1K]

Answer:

<h3>The answer is 0.67 g/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question

mass = 10 g

volume = 15 cm³

We have

density =  \frac{10}{15}  =  \frac{2}{3}  \\  = 0.66666666...

We have the final answer as

<h3>0.67 g/cm³</h3>

Hope this helps you

4 0
3 years ago
Explain why lithium is a strong reducing agent, whereas fluorine is a strong oxidizing agent.
Vesnalui [34]
Lithium is a good reducing agent because it is electropositive [it rapidly gains electrons]
fluorine is  good oxidizing agent electronegative [it loses electrons fastly]
5 0
3 years ago
Covalent bonds are formed when electrons are
liubo4ka [24]
Shared between two atoms.
8 0
4 years ago
Read 2 more answers
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