4.0 g of sodium hydroxide in 250 cm 3 of solution contains?
CHEMISTRY
JAMB 1993
4.0 g of sodium hydroxide in 250 cm3 of solution contains?
- A. 0.40 moles per dm3
- B. 0.10 moles per dm3
- C. 0.04 moles per dm3
- D. 0.02 moles per dm3
Correct Answer: A. 0.40 moles per dm3
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