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SVEN [57.7K]
3 years ago
7

If sea water has a density of 1.025 kg/L and 3.5% of the mass in sea water is salt, determine the mass of salt dissolved in 500

gallons of sea water
Chemistry
1 answer:
Alja [10]3 years ago
6 0

68 kg. There are 58 kg salt in 500 gal seawater.

<em>Step 1.</em> Convert gallons to litres

1 US gal = 3.79 L (1 Imp gal = 4.55 L)

<em>Step 2</em>. Find the volume of the seawater

Volume = 500 gal × (3.79 L/1 gal) = 1895 L

<em>Step 3</em>. Find the mass of the seawater

Mass = 1895 L × (1.025 kg/1 L) = 1942 kg

<em>Step 4</em>. Find the mass of the salt

Mass of salt = 1942 kg seawater × (3.5 kg salt/100 kg seawater) = 68 kg salt

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