Frequency is represented by f in the formula v=fπ. Where π is wavelength , f is frequency and v is velocity. Frequency is the number of waves passing per unit time.
Because there is less of it available.
(A) Na2CO3
(B) NaHCO3
(C) H2CO3
(D) HF
(E) SO3
(F) CuSO4
(G) H2SO4
(H) H2S
- Remember to place the subscripts correctly. Hope I helped.
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Avg. atomic mass=<span>∑i</span><span>(<span>isotopei</span>×<span>abundancei</span><span>)</span></span>