Of all the hydrogen in the oceans 0030 0 of the mass is

Question

Of all the hydrogen in the oceans, 0.030 0% of the mass is deuterium. The oceans have a volume of 319 million mi³.

(a) If nuclear fusion were controlled and all the deuterium in the oceans were fused to ₂⁴He, how many joules of energy would be released?

(b) World power consumption is approximately 1.50 x 10¹³ W. If consumption were 170 times greater, how many years would the energy calculated in part (a) last?