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maksim [4K]
3 years ago
12

The "Nutrition Facts" on a label of a 16 fluid ounce container of apple juice states that a serving size is 8 fluid ounces conta

ins 152 Calories and 16 milligrams of sodium.
Chemistry
1 answer:
kenny6666 [7]3 years ago
6 0

The total of calories is 304 and the total of sodium is 32 milligrams.

<h3>What is serving size?</h3>

The serving size represents a portion of food that is nutritionally appropriate. Due to this, most food containers include more than one serving size, this means they are not intended to be consumed by one person in one sitting.

<h3>How is the serving size related to calories and nutrients?</h3>

Understanding serving size is important because based on this you can determine the number of calories, the amount of sodium, sugar, vitamins, etc. all the container of food has.

<h3>How to calculate the calories and sodium?</h3>

In the case of the apple juice, the total of fluid is 16 ounces but the serving size is 8, which means there are 2 servings per bottle. Let's use this proportion to calculate the calories and sodium.

  • 152 (calories per serving) x 2 servings = 304 calories
  • 16 mg (sodium per serving) x 2 servings = 32 mg of sodium in total

Note: This question is incomplete; here is the possible missing section:

What are the total calories and sodium in this apple juice?

Learn more about calories in: brainly.com/question/2918234

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0.265g of an organic compound produced an evaporation 102cm³ of vapour at 373k and 775mmHg percentage composition of the constit
kumpel [21]

A. The molecular mass of the compound is 77.9 g/mol

B. The molecular formula of the compound is C₆H₆

<h3><u>Determination of the mole of the compound</u></h3>

We'll begin by calculating the number of mole of compound using the ideal gas equation as shown below:

  • Volume (V) = 102 cm³ = 102 / 1000 = 0.102 L
  • Temperature (T) = 373 K
  • Pressure (P) = 775 mmHg = 775 / 760 = 1.02 atm
  • Gas constant (R) = 0.0821 atm.L/Kmol
  • Number of mole (n) =?

n = PV / RT

n = (1.02 × 0.102) / (0.0821 × 373)

n = 0.0034 mole

<h3><u>A.</u><u> Determination of the </u><u>molecular mass</u><u> of the </u><u>compound</u><u>. </u></h3>
  • Mass = 0.265 g
  • Number of mole = 0.0034 mole
  • Molecular mass =?

Molecular mass = mass / mole

Molecular mass = 0.265 / 0.0034

Molecular mass of compound = 77.9 g/mol

<h3><u>B</u><u>. Determination of the </u><u>molecular formula</u><u> of the compound. </u></h3>

We'll begin by calculating the empirical formula of the compound.

  • Carbon (C) = 92.24%
  • Hydrogen (H) = 7.76%

Empirical formula =?

Divide by their molar mass

C = 92.24 / 12 = 7.69

H = 7.76 / 1 = 7.76

Divide by the smallest

C = 7.69 / 7.69 = 1

H = 7.76 / 7.69 = 1

Thus the empirical formula of the compound is CH

Finally, we shall determine the molecular formula.

  • Molecular mass = 77.9 g/mol
  • Empirical formula = CH
  • Molecular formula =?

Molecular formula = empirical × n = molecular mass

[CH]n = 77.9

[12 + 1]n = 77.9

13n = 77.9

Divide both side by 13

n = 77.9 / 13

n = 6

Molecular formula = [CH]n

Molecular formula = [CH]₆

Molecular formula = C₆H₆

Complete Question:

0.265g of an organic compound produced on evaporation 102cm cube of vapour at 373K and 775mmHg. Percentage composition of the constituent elements are 92.24% C and 7.76% H. Find the molecular mass and molecular formula of the composition.

Learn more about ideal gas equation:

brainly.com/question/14364992

Learn more about molecular formular:

brainly.com/question/512891

5 0
2 years ago
A = ε l c. (a) Define the terms in the formula: A = ε l c. (Pick your answers using the letter of the correct definition.)
VladimirAG [237]

Explanation:

Using Beer-Lambert's law :

Formula used :

A=\epsilon \times c\times l

where,

A = absorbance of solution

c = concentration of solution

l = length of the cell

\epsilon = molar absorptivity of this solution

According to question:

A = (C) : absorbance measured by the spectrometer

c = (B) : concentration, in mol/L, of the stock solution from which the sample was made

l = (A): pathlength of light through the cell

ε =  (D) : molar absorptivity, a constant unique to that substance at that wavelength

7 0
3 years ago
Someone help answer the question please
Ierofanga [76]

Answer:

B

Explanation:

7 0
3 years ago
What is the total number of different elements present in NH₄NO₃?
igomit [66]

Answer: c 3

Explanation: Nitrogen I forgot the other one I think hydrogen and oxygen hope this helps!

4 0
3 years ago
Read 2 more answers
Can somebody answer this please
Murrr4er [49]

The answer should be A.

7 0
3 years ago
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