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kirza4 [7]
3 years ago
6

Una nueva marca de bebidas disuelve frutosa (C6H12O6) en etanol (C2H5OH) como endulzante, con el fin de cumplir con los controle

s de calidad, la mezcla debe tener 21.4% en masa y una densidad de 0.81 g/mL. Determina el punto de congeliación y ebullición y la presión de vapor de la mezcla final a 25 °C.
Chemistry
1 answer:
VashaNatasha [74]3 years ago
7 0

Answer:

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Explanation:

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what is ( H+) and (OH-) in a healthy person's blood that has a PH of 7.50 assume that the temperature of the blood is 298 K.
AlekseyPX

pH = - log [H⁺]

pH = 7.5

\tt [H^+]=10^{-7.5}=3.16\times 10^{-8}

pH + pOH = 14

7.5 + pOH = 14

pOH = 6.5

\tt [OH^-]=10^{-6.5}=3.16\times 10^{-7}

5 0
2 years ago
Give an<br> example of when a plant or animal might<br> use energy they have stored.
olasank [31]

Answer:

hunting for other animals or when they are really hungry

Explanation:

8 0
2 years ago
A salt is best described as a compound that is formed from the reaction between
Basile [38]
An acid and a base
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3 0
3 years ago
A solution of licl in water has xlicl = 0.0900. what is the molality?
Rus_ich [418]
<span>Given that a one mol solution of lithium chloride has 0.0900 mol of lithium chloride dissolved in it. Which implies that 0.910 mol of water has dissolved 0.0900 mol of Lithium chloride. which implies 0.910*18g of water has 0.0900mol LiCl. Molality is given by moles of solute divided by kg of solvent. so 1 kg of water has (0.0900*1000)/(0.910*18) mol of LiCl. or 5.4945 molal solution. So molality is 5.4945</span>
7 0
3 years ago
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Explain how 0.5 and 0.5555555...are different. which is greater?
k0ka [10]
I think the major difference is that 0.5 is exactly equal to a half. The other 0.555555 is equal to a half plus five hundredths plus thousandths plus five ten thousandths plus five hundred thousandths, plus five millionths and so forth; and therefore it is greater than 0.5. In other words 0.555555 is called a recurring decimal. 
6 0
3 years ago
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