Answer :

Final answer:

To find the quantity of mEq in a 2L 1.5M CaCl2 solution, you multiply the molarity by the volume in liters and by the valence of the Calcium ion. The final calculation would be 1.5 moles/L * 2 L * 2 = 6 mEq for CaCl2.

Explanation:

Firstly, we should take into account that 1 mole of CaCl2 will give us 2 mEq of Calcium ions (Ca2+) due to its valence of +2. Consequently, to find the milliequivalents (mEq), we need to multiply the molarity (M) by the volume in liters (L) and by the valence of the ion, which is 2 for calcium. So for a 1.5M CaCl2 solution, we have:

1.5 moles/L * 2 L * 2 = 6 mEq for CaCl2

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