Calculate the pH of a buffer zyatem containing 1.0 M CH2COOH and 0.50 M CH, COONa. (K, of acetic acid, CH3COOH iz 1.8 10-5). Enter your anzwer in the provided box.
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because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates