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Ipatiy [6.2K]
3 years ago
5

¿cual es la concentracion porcentual de una mezcla que contiene 3ml de etanol en 50 ml de disolucion?

Chemistry
1 answer:
Diano4ka-milaya [45]3 years ago
8 0

Answer:  Una manera de describir la composición de una solución es el porcentaje en ... Se prepara una solución mezclando 1 g de etanol, con 100 g de agua. ... •Este método expresa la concentración como gramos de soluto por 100 mL de solución. ... alcohol con suficiente agua para dar un volumen total de 50 mL de solución

Explanation:

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The answer is D) Secrete more hydrogen ions and more bicarbonate ions.
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What increases OH ions​
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A base.

Explanation:

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7 0
4 years ago
A bottle of coke is 250.0 mL. What is the volume in cubic centimeters?
hoa [83]

Answer:

The volume in cubic centimeters is 250

Explanation:

The rule of three or is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them.

If the relationship between the magnitudes is direct, that is, when one magnitude increases, so does the other (or when one magnitude decreases, so does the other), the direct rule of three must be applied. To solve a direct rule of three, the following formula must be followed:

a ⇒ b

c ⇒ x

So:

x=\frac{c*b}{a}

The direct rule of three is the rule applied in this case where there is a change of units. To perform this conversion of units, you must first know that 1 mL = 1 cubic centimeters. So, if 1 cubic centimeters is 1 mL, how many cubic centimeters equals 250 mL?

cubic centimeters=\frac{250 mL*1 cubic centimeters }{1 mL}

cubic centimeters= 250

<u><em>The volume in cubic centimeters is 250</em></u>

3 0
3 years ago
Help with this please
Len [333]

Answer:

12

Explanation:

There are 4 sulfur atoms in SO4

4×3=12

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6 0
3 years ago
Be sure to answer all parts. Write a balanced equation (including physical states) for the following reaction: Sodium carbonate,
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I think it would be:

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3 0
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