Calculate the molarity of a solution prepared by the addition of 2.59 g of NaNO3 into 250 ml of solution

b is the correct answer

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smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. those muscles push materials like food or blood through organs. unlike skeletal muscle, smooth muscle can never be under your control.

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a