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pychu [463]
3 years ago
9

Solutions are limited to homogeneous mixtures of liquids. True False

Chemistry
1 answer:
Anit [1.1K]3 years ago
7 0
I believe that the answer is false. Solutions can be homogeneous or heterogeneous.
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Why does water boil at a lower temperature at higher altitudes
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The ionic equations represent the reactions between four metals, P, Q, R and S, and solutions of the salts of the same metals
EleoNora [17]

Answer:

P + Q2+ -> no reaction

R + P2+ -> R2+ + P

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S + P2+ -> S2+ + P

S + R2+ -> S2+ + R

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What is the correct order of reactivity of the metals?

Most -----------------------> least

A. P R S Q

B. Q R S P

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5 0
3 years ago
What is the concentration of a 1:10 dilution of a 2.5 M solution of NaCl? How would you prepare exactly 100 ml of such a solutio
Marina CMI [18]

<u>Answer:</u> The concentration of the solution is 0.25 M

<u>Explanation:</u>

Let the volume of solution of 2.5 M NaCl be 10 mL

We are given:

Dilution ratio = 1 : 10

So, the solution prepared will have a volume of = \frac{10}{1}\times 1000=100mL

To calculate the molarity of the diluted solution, we use the equation:

M_1V_1=M_2V_2

where,

M_1\text{ and }V_1 are the molarity and volume of the concentrated NaCl solution

M_2\text{ and }V_2 are the molarity and volume of diluted NaCl solution

We are given:

M_1=2.5M\\V_1=10mL\\M_2=?M\\V_2=100mL

Putting values in above equation, we get:

2.5\times 10=M_2\times 100\\\\M_2=\frac{2.5\times 10}{100}=0.25M

Hence, the concentration of the solution is 0.25 M

6 0
3 years ago
Which argument best explains the charge of an atomic nucleus?
xeze [42]
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6 0
3 years ago
Read 2 more answers
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