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nika2105 [10]
3 years ago
11

HI HELP ONLY DO THE 2nd ONE!

Chemistry
2 answers:
Likurg_2 [28]3 years ago
8 0
I would say they design and build things.
Lerok [7]3 years ago
8 0
Construct and design
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Which solution is most dilute?
olga55 [171]

C. 0.1 M HCl

Explanation:

The solution with the lowest molarity is the most dilute of all.

This is why the choice is 0.1M of HCl.

Molarity is the same as concentration. The unit "M" denotes mole per liter volume of solution.

  • Molarity is defined as the number of moles of solute in a give volume of solution.
  • 0.1M means 0.1mole of HCl is dissolved in 1liter of solvent.
  • The higher the number of moles dissolved and the more the concentration of the solution will be.

The order of increasing concentration is:

  0.1M < 0.2M< 0.3M < 0.4M

learn more:

Molarity brainly.com/question/9324116

#learnwithBrainly

3 0
3 years ago
What does pressure do to an equilibrium
Agata [3.3K]
If the volume of a system decreases the pressure will increase, shifting in the direction that gives smaller number of moles of gas molecules.(only applies to gas)
5 0
3 years ago
The following chemical equations are organized by reaction type. You must balance each reaction, and show your work
sukhopar [10]

Answer:

lets be honest

Explanation:

no one knows and this is worthless to answer for the worth of 5 points

4 0
3 years ago
How many sodium ions are present in 325 ml of 0.850 m na2so4?
NISA [10]

Answer:

Na^+_{ions}=3.33x10^{23}Na^+_{ions}

Explanation:

Hello,

In this case, for the given molarity and volume of such solution, the moles of sodium sulfate are computed below:

n_{Na_2SO_4}=0.850\frac{mol}{L}*0.325L=0.276molNa_2SO_4

Now, by using the Avogadro's number, the ions result:

Na^+_{ions}=0.276molNa_2SO_4*\frac{2molNa^+}{1molNa_2SO_4} *\frac{6.022x10^{23}Na^+_{ions}}{1molNa^+} \\\\Na^+_{ions}=3.33x10^{23}Na^+_{ions}

Best regards.

4 0
3 years ago
Which of the following statements is true? Oceanic crust is thicker than continental crust. Both oceanic and continental crust i
zhuklara [117]
The crust is the thickest layer of the Earth.

3 0
3 years ago
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