[cs_content][cs_section parallax=”false” separator_top_type=”none” separator_top_height=”50px” separator_top_angle_point=”50″ separator_bottom_type=”none” separator_bottom_height=”50px” separator_bottom_angle_point=”50″ style=”margin: 0px;padding: 45px 0px;”][cs_row inner_container=”true” marginless_columns=”false” style=”margin: 0px auto;padding: 0px;”][cs_column fade=”false” fade_animation=”in” fade_animation_offset=”45px” fade_duration=”750″ type=”1/1″ style=”padding: 0px;”][cs_text]Acid/Base Reactions >[/cs_text][cs_text]Inquiry question: How are solutions of acids and bases analysed? [/cs_text][/cs_column][/cs_row][/cs_section][cs_section parallax=”false” separator_top_type=”none” separator_top_height=”50px” separator_top_angle_point=”50″ separator_bottom_type=”none” separator_bottom_height=”50px” separator_bottom_angle_point=”50″ style=”margin: 0px;padding: 45px 0px;”][cs_row inner_container=”true” marginless_columns=”false” style=”margin: 0px auto;padding: 0px;”][cs_column fade=”false” fade_animation=”in” fade_animation_offset=”45px” fade_duration=”750″ type=”1/1″ style=”padding: 0px;”][cs_text]Students:
● conduct practical investigations to analyse the concentration of an unknown acid or base by titration
● investigate titration curves and conductivity graphs to analyse data to indicate characteristic reaction profiles, for example:
– strong acid/strong base
– strong acid/weak base
– weak acid/strong base (ACSCH080, ACSCH102)
● model neutralisation of strong and weak acids and bases using a variety of media
● calculate and apply the dissociation constant (Ka) and pKa (pKa = -log10 (Ka)) to determine the difference between strong and weak acids (ACSCH098)
● explore acid/base analysis techniques that are applied:
– in industries
– by Aboriginal and Torres Strait Islander Peoples
– using digital probes and instruments
● conduct a chemical analysis of a common household substance for its acidity or basicity (ACSCH080), for example:
– soft drink
– wine
– juice
– medicine
● conduct a practical investigation to prepare a buffer and demonstrate its properties (ACSCH080)
● describe the importance of buffers in natural systems (ACSCH098, ACSCH102)[/cs_text][/cs_column][/cs_row][/cs_section][cs_section parallax=”false” separator_top_type=”none” separator_top_height=”50px” separator_top_angle_point=”50″ separator_bottom_type=”none” separator_bottom_height=”50px” separator_bottom_angle_point=”50″ style=”margin: 0px;padding: 45px 0px;”][cs_row inner_container=”true” marginless_columns=”false” style=”margin: 0px auto;padding: 0px;”][cs_column fade=”false” fade_animation=”in” fade_animation_offset=”45px” fade_duration=”750″ type=”1/1″ style=”padding: 0px;”][cs_text]Extract from Chemistry Stage 6 Syllabus © 2017 NSW Education Standards Authority (NESA)[/cs_text][/cs_column][/cs_row][/cs_section][/cs_content]