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11Alexandr11 [23.1K]
3 years ago
13

Why can a solution be classified as a mixture

Chemistry
2 answers:
Vanyuwa [196]3 years ago
7 0
Because they’re both made up of two substances that are not chemically combined
GalinKa [24]3 years ago
5 0
There both made up of substances
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Q Q 3. (08.02 MC)
AnnyKZ [126]

Answer: A volume of 455 mL from 0.550 M KBr solution can be made from 100.0 mL of 2.50 M KBr.

Explanation:

Given: V_{1} = ?,         M_{1} = 0.55 M

V_{2} = 100.0 mL,        M_{2} = 2.50 M

Formula used to calculate the volume of KBr is as follows.

M_{1}V_{1} = M_{2}V_{2}

Substitute the values into above formula as follows.

M_{1}V_{1} = M_{2}V_{2}\\0.55 M \times V_{1} = 2.50 M \times 100.0 mL\\V_{1} = 455 mL

Thus, we can conclude that a volume of 455 mL from 0.550 M KBr solution can be made from 100.0 mL of 2.50 M KBr.

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Answer: 1. rock stone gase from developing the other difference

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B. The energy barrier between reactants and products

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2 years ago
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. If this same atom with 22 protons and 19 electrons were to gain 3 electrons, the net charge on the atom would be
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Answer: No charge (0)

Explanation:

The atom has a proton of 22 and electron number of 19. This means the element has lost 3 electrons. Therefore, the net charge is +3.

So, if this atom gains 3 more electrons, the net charge would be zero (neutral).

The total number of electron would now be 22 which is the same as the proton number.

This implies the atom is now in an unreacted state or ground state.

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How many significant digits are in the number 1.0 × 10^3?​
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