It follows from the condition that the volume of air displaced by a balloon with hydrogen inside occupies 1600 m3.
From the tables we find the mass of 1 m3 of air = 1.29 kg.
Next, we find the mass of air displaced by the balloon:
1600 * 1.29 kg = 2064 kg.
To balance the position of the ball, ballast must be suspended from it. Determine the amount of ballast:
2064 kg – 450 kg = 1614 kg.
This will be the mass that the balloon can lift.
Answer: 1614 kg.
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