Use the References to access important values if needed for this question. The pH scale was designed to make it convenient to express hydrogen ion concentrations that are small in aqueous solutions. The definiton of pH is in terms of base 10 logarithms. pH = – log H*] where |H*|is the hydrogen ion concentration. a. If the hydrogen ion concentration in a solution is 7.68 × 10-³ mol/L, the pH is b. If the pH of a solution is 3.140, the hydrogen ion concentration is mol/L. Submit Answer Retry Entire Group 4 more group attempts remaining

Consider the following data on some weak acids and weak bases: name nitrous acid acid hypochlorous acid HCIO 0.1 M NaNO₂ 0.1 M KBr solution 0.1 M KCIO 0.1 M HONH3Cl K a formula HNO₂ 4.5 × 10 3.0 × 10 8 pH choose one ✓ Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. choose one ✓ choose one ✓ base ✓ choose one 1 (lowest) 2 3 4 (highest) formula hydroxylamine HONH₂ methylamine CH3NH₂ name Kh 1.1 × 10 4.4 × 10 -8 4 18 Ar

The hydrogen concentration of a solution is 1 x 10-4 M. What is the pH? pH = ____________ Is this an acid, base or neutral? base acid neutral

Calculate the pH, pOH, concentration H30*, and concentration OH in 500.0 mL of 0.09933 M HNO3 solution. (if needed use the format *10^ for scientific notation). pH = pOH = conc. H30* = conc. OH = M Σ