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kvv77 [185]
3 years ago
6

A chemist prepares a solution of silver(I) nitrate by measuring out of silver(I) nitrate into a volumetric flask and filling the

flask to the mark with water.
Chemistry
1 answer:
leva [86]3 years ago
4 0

Answer:

3.33 M

Explanation:

It seems your question is incomplete, however, that same fragment has been found somewhere else in the web:

" <em>A chemist prepares a solution of silver nitrate (AgNO3) by measuring out 85.g of silver nitrate into a 150.mL volumetric flask and filling the flask to the mark with water.</em>

<em>Calculate the concentration in mol/L of the chemist's silver nitrate solution. Be sure your answer has the correct number of significant digits.</em> "

In this case, first we <u>calculate the moles of AgNO₃</u>, using its molecular weight:

  • 85.0 g AgNO₃ ÷ 169.87 g/mol = 0.500 mol AgNO₃

Then we<u> convert the 150 mL of the volumetric flask into L</u>:

  • 150 / 1000 = 0.150 L

Finally we <u>divide the moles by the volume</u>:

  • 0.500 mol AgNO₃ / 0.150 L = 3.33 M
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What is the molarity of a solution containing 17.0g of nh3 in 2.0 L of solution?
liq [111]
To find molarity use the following formula

molarity= moles/ liters

first, we need to calculate the moles using the grams of NH₃. remember to convert grams to moles, you need the molar mass of the molecule which you can determine by adding the mass of each atom

molar mass of NH₃ = 14.0 + (3 x 1.01)= 17.03 g/ mol

now, let convert grams to moles

17.0 g (1 mol/ 17.03 grams)= .998 moles NH₃

now, we can plug in these values to solve for molarity

molarity= 0.998 mol/ 2.0 Liters= 0.50 M (the answer is a)
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3 years ago
Define "Dispersed System", "Dispersion Medium", and "Dispersed Particles
ollegr [7]

Answer:

Dispersion system is a system in which certain particles are scattered in a continuous liquid or solid medium. The two phases present in this system are the dispersed particles and dispersion medium. These phases may or may not be present in the same state.

In a dispersion system, the particles that are dispersed are known as the dispersed particles and the medium in which the particles are dispersed is known as the dispersion medium.

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3 years ago
When a change in a physical property is observed, Select the correct answer below: it could be because of a physical change. it
lord [1]

Answer:

It could be because of a physical change.

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3 years ago
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Leto [7]

Answer:

c) both

Explanation:

hey, could you check the question once because I suppose it's 2-hexyne when there's a triple bond and 2-hexene when there's a double bond between Carbon atoms. As of the question asked, it's c) both but it's 2-hexene due to presence of double bond between Carbon atoms.

do tell me as well. have a good day :-))

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chubhunter [2.5K]

Answer:

I belive it's the black chair because they were asking which chair experienced the most force in the begining and the black chair had the most force given.

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