Answer to Question #319941 in General Chemistry for jjoel

General Chemistry

Question #319941

An aqueous solution of Borax (Na2B4O7) is sometimes used to fireproof wood.

What is the molarity of 2.50 L of solution that contains 1.85 mol of Na2B4O7?

Expert's answer

C_M = n / V

C_M (Na₂B₄O₇) = 1.85 / 2.50 = 0.74 M

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