A0.100 m solution of k2so4 would contain the same total ion concentration as which of the following solutions? 0.0800 m na2co3 0.100 m nacl 0.0750 m na3po4 0.0500 m naoh

Explanation:

Assume 100% ionization:

1) 0.100 M solution K₂SO₄

This means, that you have to find which of the choices is a solution that contains the same 0.300 M ion concentration.

2) 0.0800 M Na₂CO₃

This is not equal to 0.300 M, so this solution would not contain the same total concentration as a 0.100 M solution of K₂SO₄, and is not the right answer.

3)  0.100 M NaCl

This is not equal to 0.300 M ion, so not a correct option.

4) 0.0750 M Na₃PO₄

Hence, this ion concentration is equal to the ion concentration of a 0.100 M solution of K₂SO₄, and is the correct choice.

5)  0.0500 M NaOH

Not equal to 0.300 M, so wrong choice.

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

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