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zalisa [80]
3 years ago
9

If you needed to make 100 mL of a 0.2 M fruit drink solution from the 1.0 M fruit drink solution, how would you do it? (Hint: Us

e MsVs = MdVd to find the amount of concentrated solution you need, then add water to reach 100 mL.) Show your work.
Chemistry
2 answers:
grigory [225]3 years ago
8 0

Answer:

We take 20.0 mL of the 1.0 M fruit drink solution and then add 80.0 mL of water to  make 100 mL of a 0.2 M fruit drink solution.

Explanation:

  • Using the rule that: the no. of millimoles of a solution before dilution is equal to the no. of millimoles of the solution after the dilution.

<em>(MV) before dilution = (MV) after dilution.</em>

M before dilution = 1.0 M, V before dilution = ??? mL.

M after dilution = 0.2 M, V after dilution = 100 mL.

<em>∴ V before dilution = (MV) after dilution / M before dilution </em>= (0.2 M)(100 mL) / (1.0 M) = <em>20.0 mL.</em>

<em>So, we take 20.0 mL of the 1.0 M fruit drink solution and then add 80.0 mL of water to  make 100 mL of a 0.2 M fruit drink solution.</em>

aleksandr82 [10.1K]3 years ago
7 0

Answer:

The volume of the 1.0 M juice solution is 20 mL.

Explanation:

Concentration of juice = M_1=1.0m

Volume of the juice = V_1

Concentration of Juice we need = 0.2

Volume of the 0.2 M juice we need V_2= 100 mL=0.1L

Using dilution formula :

M_1V_1=M_2V_2

1.0M \times V_1=0.2 M\times 0.1 L

V_1=0.02 L = 20 mL

We have to add 80 mL of water to 20 ml of solution which has concentration of juice equal to 1.0 M.

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vladimir1956 [14]

Answer:

<h3>The answer is 1.84 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question we have

density =  \frac{65.14}{35.4}  \\  = 1.840112994...

We have the final answer as

<h3>1.84 g/mL</h3>

Hope this helps you

3 0
3 years ago
how many mL of a 3.5 M sodium hydroxide will be needed to neutralize 15mL of a 4.3 M hydrochloric acid solution?
kobusy [5.1K]
Step 1 : write a valanced equation..
NaOH + HCl 》NaCl + H2O

Step 2 : find the number of mole of HCl..
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Stem 3 : use mole ratio....
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1 : 1
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Step 4 :
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6 0
3 years ago
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san4es73 [151]

Hey there!

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Lastly, let's balance the O.

There's 3 on the left and 19 on the right. So, let's add a coefficient of 9 in front of O₂.

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lozanna [386]

Answer:

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Explanation:

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8 0
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