Measures of Concentration: Molality and Other Calculations Answers

HBr + KOH KBr + H2OIn this reaction, the acid is

Which substances are most likely acids? Check all that apply.

Calcite (the main mineral in limestone) is made of calcium carbonate (CaCO3). Dolomite, a related mineral, is made of magnesium carbonate (MgCO3). What happens if a geologist drips a small amount of vinegar (acetic acid) onto a sample of dolomite?

Select the chemical equation that most likely represents the reaction between the vinegar and the dolomite.

Choose the products that complete the reaction. The chemical equations may not be balanced.HCl + NaOH ?

Choose the products that complete the reaction. The chemical equation may not be balanced.HC2H3O2 + Ca(OH)2 ?

Choose the products that complete the reaction. The chemical equation may not be balanced.Al + H2SO4 ?

Choose the products that complete the reaction. The chemical equation may not be balanced.NaHCO3 + HC2H3O2 ?

Identify the base in this acid-base reaction:

Identify the base in this acid-base reaction:

A piece of lithium metal is added to a beaker that contains water and phenolphthalein. Using what you know about the properties of bases, choose the best explanation for what you observe.

Select the most likely product for this reaction:

Select the most likely product for this reaction:

Select the most likely product for this reaction:

Cola contains phosphoric acid and carbonic acid. Which is the most likely reason that cola also contains a large amount of sugar or other sweetener?

Which reasons explain why acids are added to foods? Check all that apply.

Which aisles of the grocery store would be likely to include examples of acids and bases? Choose all that apply.