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The density of salt is 2.17 g / cm^3.

d = ( 2.17 g/cm^3 ) ( 1.0 lbm / 453.6 g ) ( 1 x 10^6 cm^3 / m^3 ) ( 1.0 m^3 / 35.315 ft^3 )

d = 135 lbm / ft^3

m = ( d ) ( V ) = ( 135 lbm/ft^3 ) ( 1.0 ft^3 ) = 135 lbm

m = ( 135 lbm ) ( 1.0 kg / 2.2046 lbm ) = 61.4 kg

W = ( m ) ( g ) = ( 61.4 kg ) ( 9.807 m/s^2 ) = 603 N <-------------

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9y ago
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17y ago

== 72 pounds== Sodium chloride, NaCl, weighs 72 lb/ft3.

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18y ago

The density of seawater varies between 1.02 and 1.03 SGU, so a cubic foot of seawater weighs between 63.6 and 64.3 pounds at 40 degrees F. Cheers Malcolm

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15y ago

1 cubic meter water are 1000 liters and that are 1000 kilograms. The salinity of 3.5 per cent for sea water you can nearly forget.

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14y ago

ANSWER

1 cubic foot = 28.32 liters

28.32 liters of salt = 79 pounds

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16y ago

2160 pounds per cubic yard, as per the salt institute.

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11y ago

Virtually the same as Fresh Water for all intents and purposes. 1 Gallon of water weighs approximately 62.43 pounds.

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7y ago

About 47,073,905 tons, depending on the salt concentration.

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11y ago

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Q: How much does 1 cubic foot of saltwater weigh?
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