Answer :
The mass of NaCl in 1583.872 g of water is approximately 69.548 g (option a).
To find the mass of NaCl that can be produced from 3.52 lbs of sea water, we first need to convert the weight to grams. One pound is equal to 453.6 grams, so 3.52 lbs is equal to 3.52 x 453.6 g = 1583.872 g.
The salinity of the Salton Sea is given as 44 g NaCl per 1000 g of water. This means that for every 1000 g of water, there are 44 g of NaCl. To find the mass of NaCl in 1583.872 g of water, we can set up a proportion:
(44 g NaCl) / (1000 g water) = (x g NaCl) / (1583.872 g water)
By cross-multiplying and solving for x, we find that the mass of NaCl in 1583.872 g of water is approximately 69.548 g. Therefore, the correct answer is 70 g NaCl (option a).
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