Cemeg Uned 3
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Parwch y crynodiad neu wybodaeth â’r pH cywir.
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Beth yw crynodiad KOH os yw’r pH yn 12.8?
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Beth yw pH hydoddiant NaOH gyda chrynodiad o 0.206 mol dm⁻³?
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Mae gan hydoddiant o asid propanoig pH o 3.45 a Ka o 1.34×10⁻⁵ mol dm⁻³. Beth yw crynodiad yr asid (Ca)?
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Beth sy'n digwydd i werth pH pan fydd crynodiad asid gwan [HA] yn cael ei ddyblu?
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Beth yw pH hydoddiant asid sylffwrig gyda chrynodiad o 0.0865 mol dm⁻³?
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Parwch yr asid â'i fformiwla gywir.
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Mae dŵr wedi'i gynhesu i 60°C. Beth yw'r effaith ar pH?
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Beth yw ystyr Ka mewn perthynas ag asidau?
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