5) What volume of 0.496 M HCl is required to neutralize 20.0 mL of 0.809 M sodium hydroxide?

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.

Calculate the concentration of all species in a 0.165 m solution of h2co3.

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next