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Hydoddiant 500 cm³ sy’n cynnwys 1.9g o asid gwan gyda pH o 3.5. Ka = 2.0 × 10⁻⁶....
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Hydoddiant 500 cm³ sy’n cynnwys 1.9g o asid gwan gyda pH o 3.5. Ka = 2.0 × 10⁻⁶. Beth yw màs molar yr asid?
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