4.0 L x 1.5 M = ?? moles from solution A.
2.0 L x 3.0 M = ?? moles from solution B.
Total moles = moles A + moles B.
Then total moles/total L (6.0 L) = molarity of the mixed solution.
Calculate the final concentration if 4.0 L of 1.5 M NaCl and 2.0 L of 3.0 M NaCl are mixed?
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