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VikaD [51]
3 years ago
10

What is the mass, in grams, of 28.58 mL of acetone?

Chemistry
2 answers:
Vedmedyk [2.9K]3 years ago
7 0
<span>If you look up the density of Acetone (Propanone in IUPAC names) you will find it is 0.7925g/cm3. This is the same as 0.7925g/ml. 

You can calculate mass using the equation:- mass = density x volume 
In your example mass = 0.7925 x 28.40 = 22.51g</span><span>
I think That's right. Hope this helps!!! Good luck!</span>
mario62 [17]3 years ago
7 0

Answer:

22.46 g

Explanation:

For this conversion you will need the density of the substance, which formula is:

Density = mass / volume

So, clearing the mass in the equation we have:

Mass = Density x volume

As the density is a characteristic property of each substance, you can search its value in the data sheet of the substance, so you just need to replace the values in the equation. If you have that the density is 0.7857g/mL the mass will be:

Mass = (0.7857g/mL)(28.58 mL) = 22.46 g

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Type of energy transformed into chemical energy by plants
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Answer: Radiant energy to chemical energy. Explanation: Photosynthesis is known for the radiant energy transformation into chemical energy. It is a process where plants to take in sunlight, water, & CO2 and convert them into oxygen, and glucose, in this process CO2 is removed from the air. In the process of photosynthesis, the energy that is captured by the sun is stored in the form of carbohydrates. The photosynthesis process occurs in the chloroplast which is present in the plants, and the pigment is known as chlorophyll which helps to make plant green.

Read more at Answer.Ya.Guru – https://answer.ya.guru/questions/292637-type-of-energy-transformed-into-chemical-energy-by-plants.html
7 0
3 years ago
How many moles of H2O will be produced from 26.0 g of H2022<br> Stoichiome
lukranit [14]

Answer:

                       0.7644 moles of H₂O

Explanation:

                    The balance chemical equation is as follow;

                                      2 H₂O₂ → 2 H₂O + O₂

To solve this problem we will first calculate the moles of H₂O₂ as,

                           Moles  =  Mass / M/Mass

                           Moles  =  26.0 g / 34.01 g/mol

                           Moles  =  0.7644 mol

Secondly,

According to equation,

                      2 moles of H₂O₂ produces  =  2 moles of H₂O

Hence,

                0.7644 mol of H₂O₂ will produce  =  X moles of H₂O

Solving for X,

                        X  =  2 mol × 0.7644 mol / 2 mol

                       X =  0.7644 moles of H₂O

5 0
3 years ago
Exactly 1 mol Pb(ClO2)2 contains how many moles of Pb , Cl , and O ?
Masja [62]

Answer:

For 1 mole of Lead(II)chlorie we have 1 mole of lead (Pb), 2 moles of Chlorine (Cl) and 4 moles of oxygen (O).

Explanation:

<u>Step 1: </u>Data given

Number of moles of Pb(ClO2)2 = 1

Since the oxidation number of Pb is 2+ and the oxidation number of ClO2 is -1

So to bind we should have <u>twice</u> ClO2

1 mole of Pb(ClO2)2 contains 1 mole of Pb; 1*<u>2</u>= 2 moles of Cl and 2*<u>2</u> = 4 moles of 0.

This means for 1 mole of Lead(II)chlorie we have 1 mole of lead (Pb), 2 moles of Chlorine (Cl) and 4 moles of oxygen (O).

7 0
3 years ago
What is the I.U.P.A.C. name of this<br> c2h5-o-ch2-c(ch3)3?
Alja [10]

Answer:

1-ethoxy-2,2-dimethyl-propane

Explanation:

common name

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3 0
3 years ago
What is the equilibrium concentration of CH4,expressed in scientific notation?
In-s [12.5K]

Answer:

i think it was C nut im not too sure

Explanation:

5 0
3 years ago
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