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kipiarov [429]
3 years ago
13

Which of the following an ionic bond like what holds Na+ and Cl- together in NaCl?

Chemistry
2 answers:
galina1969 [7]3 years ago
8 0

Answer:

Rb

Explanation:

Rb look closely

andreyandreev [35.5K]3 years ago
5 0
RD that’s the answer
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When the isotonic saline solution described in part A is connected to an unknown solution via a semipermeable membrane, the unkn
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B. The unknown solution had the lower concentration.

Explanation:

Osmosis is a phenomenon in which the molecules of the solvent has a tendency to move through a membrane which is semipermeable from lower concentrated side to the higher concentration side, so that the concentrations on both sides of the membrane must be equal.

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Boron has primarily two isotopes, one with an atomic mass of 11.0 amu and another with an atomic mass of 10.0 amu. If the abunda
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Answer:

The atomic mass of the boron atom would be <em>10.135</em>

Explanation:

This is generally known as relative atomic mass.

Relative atomic mass or atomic weight is a physical quantity defined as the ratio of the average mass of atoms of a chemical element in a given sample to the atomic mass of 1/12 of the mass of a carbon-12 atom. Since both quantities in the ratio are masses, the resulting value is dimensionless; hence the value is said to be relative and does not have a unit.

<em>Note that the relative atomic mass of atoms is not always a whole number because of it being isotopic in nature.</em>

  • <em>Divide each abundance by 100 then multiply by atomic mass</em>
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Relative atomic mass of Boron = (18.5/100 x 11) + (81/100 x 10)

                                                 = 2.035 + 8.1

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Question 5 of 5
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Tempreture should be the correct answer!!

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