What is the boiling point of cyclohexane at 670 mmHg? b.p. correction = (760 mmH

Question

What is the boiling point of cyclohexane at 670 mmHg? b.p. correction = (760 mmHg- atmospheric pressure) times (0.037 degree C/mm)B.p. of cyclohexane at 1 atmosphere is 81.4 degree C Balance the following chemical equation. Bated on the balanced chemical equation in a), how many grams of zinc chloride formed from the reaction of 5.50g of zinc? What is the percent yield of ZnCl_2 If the actual yield15.0g? What is the molarity (M) of a solution that contains 4.37g of acetic acid (CH_3COOH) In 250mL of solution? If the 12.5 mL of NaOH solution is required to react completely with 0.500g of KHP (Potassium Hydrogen Phthalate, 204.2g(mol.) What is the molarity of NaOH?

Explanation / Answer

Solution:

Boiling point of Cyclohec]xane at 760 mmHg is 81.4 C

Boiling point correction = (760 - 670) * 0.037*C/33

= 3.33 C

Actual boiling point at 670mmHg = 81.4 - 3.33

= 78.07 C

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