Write the dissociation equation of HBr. If 2.0 mol/L of HBr dissociates, what is the resulting concentration of hydrogen ions?
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a hospital based cross-sectional study, it is planned to estimate the mean D-dimer level among COVID-19 patients. From previous literature, the standard deviation was found to be 200 ng/mL. If the researchers want to estimate the mean with a 50 ng/mL precision and 95% significance level, what is the minimum sample size required?
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por MA Herrero Villen · 2015 — Teniendo claro que un ácido y una base son sustancias que se disocian en ... HBr, HI, HClO4, HNO3 y H2SO4 en su primera disociación, el resto son ... va a considerar que las concentraciones de los iones derivados del mismo son ... Ejemplo 1: ¿Cómo calcular el pH de una disolución de NaOH 2 M? ... KOH 0,56 g/L.
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