my_constants.max_ion_velocity12 = sqrt(2.*max_ion_energy*q_e/m_p)/clight my_constants.max_ion_velocity34 = sqrt(2.*max_ion_energy*q_e/(4.*m_p))/clight ions1.multiple ...

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A white precipitate forms if sulfate ions are present. Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first. Carbonate ions also produce a white precipitate ...