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Below are the H₃O⁺ concentrations of common foods. Calculate the OH⁻ concentrations of these items. Show the answer to 1 decimal place and follow the rules for scientific notation. For example: 1.0 × 10⁻⁵
- Artichokes: 1.0 × 10⁻⁶ M
- Jonathan apples: 4.8 × 10⁻⁴ M
- Frozen strawberries: 0.0051 M
- Fresh beef: 1.0 × 10⁻⁷ M
- Crackers: 6.3 × 10⁻⁹ M