Washing Soda Is a Hydrate of Sodium Carbonate

question 48

Multiple Choice

Washing soda is a hydrate of sodium carbonate. Elemental analysis of a sample of washing soda gave 4.20% C and 7.05% H. What is the formula for washing soda

• A) Na₂CO₃ * 2H₂O
• B) Na₂CO₃ * 4H₂O
• C) Na₂CO₃ * 6H₂O
• D) Na₂CO₃ * 8H₂O
• E) Na₂CO₃ * H₂O

Recognize the influence of external systems on child development as proposed by Urie Bronfenbrenner.

Comprehend the role of parents in developing moral and principled behavior in children.

Understand the risk factors predisposing toddlers to frequent infections and the importance of defense mechanisms.

Recognize the developmental stages of toddlers as proposed by Piaget and other developmental theories.

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