A 20.00 mL sample of HCl with unknown concentration is titrated with 0.50 M NaOH. a) Write out the balanced equation

b) Write out total ionic equation

c) Write out net ionic equation

d) If 15.0 mL of NaOH was required to reach the equivalence point (point where phenolphthalein turns pink) what is the concentration of the HCl solution. Please include some of your work as best as you can in the answer for full marks.

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

Light waves are as they pass through the