suggest why methyl oramge is not suitableas indicator in Na2CO3, HCl standidization.

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suggest why methyl oramge is not suitableas indicator in Na2CO3, HCl standidization.

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Asked 11/16/2008 10:42:11 AM

Updated 6/18/2025 7:47:50 AM

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User: suggest why methyl oramge is not suitableas indicator in Na2CO3, HCl standidization.

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Asked 11/16/2008 10:42:11 AM

Updated 6/18/2025 7:47:50 AM

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Methyl orange is unsuitable for Na2CO3 and HCl titration because it changes color too early, before full neutralization occurs. The reaction involves a weak base and a strong acid, with an acidic equivalence point, making phenolphthalein a better indicator.

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suggest why methyl orange is not suitable for Na2CO3, HCl standardization

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Updated 335 days ago|8/15/2025 7:31:45 AM

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Methyl orange is not suitable for Na2CO3-HCl standardization because the reaction involves a weak base (Na CO3) and a strong acid (HCl), giving an equivalence point in the pH range of about 4-5, which is outside methyl orange’s accurate transition range (3.1-4.4), leading to endpoint error.

Added 335 days ago|8/15/2025 7:31:45 AM

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