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oksian1 [2.3K]
2 years ago
15

What is the molarity of a solution prepared by dissolving 8 grams of BaCl2 in enough

Chemistry
1 answer:
olga55 [171]2 years ago
6 0

Answer:

Explanation:

molar mass of BaCl2 = 208.23

mol of BaCl2 = 8/208.22

mol of BaCl2 = 0.03841905

Molarity = 0.03841905/0.450

Molarity = 0.085 M

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Answer:

Electronic balances.

Explanation:

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3 years ago
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A sugar crystal contains approximately 1.4×1017 sucrose (C12H22O11) molecules. What is its mass in milligrams? Express using 2 s
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Answer:

From the periodic table:

mass of carbon = 12 grams

mass of hydrogen = 1 grams

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number of moles = number of molecules / Avogadro's number

number of moles = (2.2x10^17) / (6.02x10^23) = 3.6544 x 10^-7 moles

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mass = number of moles x molar mass

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Do you think that more elements will be discovered to be added to the periodic table? If so, what kind of elements might these b
sergejj [24]

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Last week, it was announced that four new elements would be added to the periodic table, a collaboration from researchers in Russia, Japan and the U.S. Elements 113, 115, 117, and 118, which will complete the seventh row, are superheavy elements, that have an atomic number greater than 104.

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2 years ago
What is the maximum number of electrons possible in a set of 5f orbitals?
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The answer is 14.

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What is the maximum vertical distance between the line y = x 2 and the parabola y = x2 for −1 ≤ x ≤ 2?
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x2=x+2 at x=−1 and x=2 so we have no need to worry about the end-points

f(x)=x+2−x^2

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