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Fiesta28 [93]
3 years ago
12

How many atoms are in 82.0g C4H10?

Chemistry
1 answer:
Anestetic [448]3 years ago
4 0

Answer:

Butane is a straight chain alkane composed of 4 carbon atoms. It has a role as a food propellant and a refrigerant. It is a gas molecular entity and an alkane.

Explanation:

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How many grams of copper (II) fluoride, CuF2, are needed to make 5.1 liters of a 1.4M solution?
Alexus [3.1K]

Answer: 724.71 grams

Explanation:

Volume of solution (v) = 5.1 liters

Concentration of solution (c) = 1.4M

Amount of CuF2 needed (n) = ?

Since concentration (c) is obtained by dividing the amount of solute dissolved by the volume of solvent, hence

c = n / v

make n the subject formula

n = c x v

n = 1.4M x 5.1 Liters

n = 7.14 moles

Since, 7.14 moles of CuF2 (n) is needed, use the molar mass of CuF2 to get the mass in grams.

The atomic masses of Copper = 63.5g;

and Fluorine = 19g

So, I CuF2 = 63.5g + (19g x 2)

= 63.5g + 38g

= 101.5g/mol

Then, apply the formula

Number of moles = mass in grams / molar mass

7.14 moles = m / 101.5 g/mol

m = 7.14 moles x 101.5 g/mol

m = 724.71g

Thus, 724.71 grams of copper (II) fluoride, CuF2, are needed to make 5.1 liters of a 1.4M solution

7 0
4 years ago
Iupac name for Ag(S2O3)2​
ryzh [129]

Answer:

Dithiosulfatosilver

Explanation:

3 0
3 years ago
Can the law of conservation of mass be applied when cooking? In one to two sentences, explain why or why not. Please give an exa
zlopas [31]

The law of conservation of mass is must be applied when cooking.

<h3>What is conservation of mass?</h3>

Law of conservation of mass states that mass of any substance will change into another form without any loss of mass, means destroying of mass is impossible.

When we cook food then mass of conservation is applied there, for example we are boiling pulses with water then in that case the amount of formed liquid pulses is equal to the initial mass of solid pulse with water.

Hence law of conservation of mass is applicable during cooking.

To know more about conservation of mass, visit the below link:

brainly.com/question/13664411

#SPJ1

6 0
2 years ago
Select the words that correctly fill in the blanks for this statement:
Lera25 [3.4K]

The correct answer is option A. Three, dumbbell.

The p sublevel has __three_orbitals that are _dunmbbell_-shaped.

The three orbitals of the p sublevel are oriented in three directions along the x, y and Z axis. The orbitals are called px, py and pz. Each p orbital can have a maximum of 2 electrons. Since there are three p orbitals, the p sublevel can have a maximum of 6 electrons.

8 0
4 years ago
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Which chemical equation correctly represents the synthesis of calcium sulfite from calcium oxide and sulfur dioxide ?
Helen [10]

Answer:

haggis is the best place for a new dog and what's going to happen with the

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