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mylen [45]
3 years ago
5

Why does stirring increase the speed of solute dissolving in water?

Chemistry
1 answer:
frosja888 [35]3 years ago
7 0
I believe it's B) it makes the water molecules bump into the solute more
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otez555 [7]

Answer:

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Explanation:

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3 years ago
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Explanation:

6 0
3 years ago
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Using the measurements in the table, determine which unidentified metal has the lowest density
Oliga [24]
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Calculate the molarity of the two solutions.
daser333 [38]

1. 0.33 M

2. 0.278 M

<h3>Further explanation</h3>

Molarity is a way to express the concentration of the solution

Molarity shows the number of moles of solute in every 1 liter of solute or mmol in each ml of solution

\large{\boxed {\bold {M ~ = ~ \frac {n} {V}}}

Where

M = Molarity

n = Number of moles of solute

V = Volume of solution

1. 0.350 mol of NaOH in 1.05 L of solution.

n=0.35

V=1.05 L

Molarity :

\tt M=\dfrac{0.35}{1.05}=0.33

2. 14.3 g of NaCl in 879 mL of solution.

mol NaCl(MW=58.5 g/mol) :

\tt mol=\dfrac{mass}{MW}\\\\mol=\dfrac{14.3~g}{58.5~g/mol}=0.244

Molarity :

\tt M=\dfrac{0.244}{0.879~L}\\\\M=0.278

4 0
3 years ago
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