Sodium Chromate Is Used to Protect Iron from Corrosion and Rusting

question 12

Multiple Choice

Sodium chromate is used to protect iron from corrosion and rusting. Determine its molecular mass.

• A)261.97 amu
• B)238.98 amu
• C)161.97 amu
• D)138.98 amu
• E)74.99 amu

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Definitions:

Epithelial Tissues

Tissues that form the outer surface of the body and the lining of the digestive, respiratory, urinary, and reproductive systems.

Secretions

Substances produced and released by cells or glands in the body, such as saliva, mucus, or hormones.

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A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by physical growth delays, characteristic facial features, and varying degrees of intellectual disability.

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The birth of a baby that shows any sign of life, such as breathing, heartbeat, or voluntary muscle movements, after separation from the mother's body.