Before the digestive systems is X-rayed, people are required to swallow a suspension of Barium Sulphate (BaSO4). Calculate mass of one mole of BaSO4
Difficulty: Easy
Mass of 1 mole of barium sulphate (BaSO4) = 137 + 32 + (4 x 16) = 137 + 32 + 64 = 233 g
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