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likoan [24]
3 years ago
8

Soft drinks, such as Coke and Sprite, are solutions in which a gas (carbon dioxide) is dissolved in a liquid (water). What roles

do temperature and pressure play in keeping soft drinks from going flat?
Chemistry
1 answer:
rjkz [21]3 years ago
7 0
Cold a high tepeture to keep it nice and cool
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A 500 ml aqueous solution of na3po4 was prepared using 82g of the solute. what is the molarity​
liraira [26]

Answer:

1 M

Explanation:

The molarity of a solution, M, is a measure of the concentration of that solution and it refers to the number of moles of solute (mol) per liter (L) of solution. The molarity (M) can be calculated using the formula:

M = number of moles (n) /volume (V)

In this question, a 500 ml aqueous solution of Na3PO4 was prepared using 82g of the solute.

Molar mass of Na3PO4 = 23(3) + 15 + 16(4)

= 69 + 31 + 64

= 164g/mol

Mole = mass/molar mass

mole = 82/164

mole = 0.5 mol

Volume in Litres (L) = 500 ml ÷ 1000 = 0.500L

Therefore, Molarity (M) = 0.5/0.500

Molarity = 1 M or 1 mol/L

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Which of the following statements is true? Atoms of isotopes of an element have different numbers of electrons. Atoms of isotope
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atoms of isotopes of an element have different numbers of neutrons.

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3 0
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