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IRINA_888 [86]
3 years ago
9

Which two elements are combined in sodium chloride

Chemistry
2 answers:
Westkost [7]3 years ago
6 0

Answer:

Sodium (Na) and Chlorine (CI)

Explanation:

fgiga [73]3 years ago
3 0

Answer:

SODIUM AND CHLORINE

this right answer

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Common brass is a copper and zinc alloy containing 37.0% zinc by mass and having a density of 8.48g/cm3. A fitting composed of c
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First, we calculate the mass of the sample:

mass = density x volume
mass = 8.48 x 112.5
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Now, we will calculate the mass of each component using its percentage mass, then divide it by its atomic mass to find the moles and finally multiply the number of moles by the number of particles in a mole, that is, 6.02 x 10²³.

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Zinc moles = 352.98 / 65
Zinc moles = 5.43
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Copper mass = 0.63 x 954
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Copper moles = 601.02 / 64
Copper moles = 9.39
Copper atoms = 9.39 x 6.02 x 10²³
Copper atoms = 5.56 x 10²⁴
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3 years ago
An ice cube at 0 degrees Celsius is heated until it melts and the water reaches 20 degrees Celsius. The amount if heat needed fo
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