Mathematics · Environmental Engineering
आने वाले पानी का pH मान 7.2 और बाहर जाने वाले पानी का pH मान 8.4 है। समय के साथ pH में एक रैखिक (linear) परिवर्तन मानते हुए, पानी का औसत pH मान निर्धारित करें।
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Mathematics · Environmental Engineering
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