Question #bce2a
1 Answer
Mar 2, 2014
You could recover 3.76 mg of Cd²⁺.
You must first convert tons of wastewater to grams and then to milligrams.
Remember that “3.70 ppb” means “3.70 mg/10⁹ mg”.
1016 kg wastewater ×
1.016 × 10⁶ g wastewater
1.016 × 10⁶ g wastewater ×
1.016 ×10⁹ mg
1.016 ×10⁹ mg wastewater ×