What Is the Concentration of F ^- Ions in a Solution

question 211

Multiple Choice

What is the concentration of F ^- ions in a solution prepared by saturating a 0.0045 M Ba(NO₃) ₂ solution with BaF₂?
( K _sp = 1.0×10 ^{- 6})

• A) 2.2×10 ^{- 4} M
• B) 1.0×10 ^{- 6} M
• C) 4.5×10³ M
• D) 1.5×10 ^{- 2} M
• E) 4.5×10 ^{- 2} M

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Methods or devices used to prevent pregnancy as a part of family planning or sexual health strategies.

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The practice of controlling the number and spacing of one’s children, using various methods of contraception and fertility management.

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A flexible, plastic ring inserted into the vagina to release hormones, preventing ovulation as a method of contraception.

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The regular, cyclic discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina, also known as menstruation.