If 57. 0 ml of bacl2 solution is needed to precipitate all the sulfate ion in a 756 mg sample of na2so4, what is the molarity of the solution?.

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Identify and describe the three ways that mutations affect organisms.

Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.