How many kPa are in 2,150 mmHg?

Use 1 atm = 760 mmHg = 101.325 kPa. Convert: 2,150 mmHg × (101.325 kPa / 760 mmHg) ≈ 286.7 kPa. Rounded to three significant figures, this is 287 kPa, choice B.

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