According to the National Institute of Standards Webbook, the Henry's $1.7 \times 10^ {- 6}$

According to the National Institute of Standards webbook, the Henry's Law constant for O₂ gas is 0.0013 mol/kg?bar at 25°C What is the Henry's law constant in units of mol/kg?mmHg? (1 bar = 0.9869 atm; 1 atm = 760 mmHg)

A) $1.7 \times 10^ {- 6}$ mol/kg?mmHg
B) $1.3 \times 10 ^ { - 3 }$ mol/kg?mmHg
C) $9.9 \times 10 ^ { - 1 }$ mol/kg?mmHg
D) $5.8 \times 10 ^ { 5 }$ mol/kg?mmHg
E) $7.6 \times 10 ^ { 2 }$ mol/kg?mmHg