3.2 grams of sodium chloride is dissolved to make 0.25 liters of solution. Hint: Convert grams to moles first! Molar mass of NaCl is 58.5 g/mol

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

Ab c or d ? i’m not sure what the answer is

How many grams of phosphorus are contained in 5.09 moles of phosphorus?