How many grams of potassium nitrate are required to prepare 0.250 L of a

0.700 M solution?

2.8 g

101.0 g

0.175 g

17.7 g

What is the molarity of a solution made by dissolving 21.2 g of sodium hydroxide (NaOH) in enough water to make 7.92 L of solution? Molar Mass Na: 22.99 g/mol Molar Mass O: 16.00 g/mol Molar Mass H: 1.008 g/mol

Why does opening the air valve of a tire at a constant temperature decrease the pressure?

mmonia, NH3, is used in numerous industrial processes, including the production of pharmaceuticals such as sulfonamide and antimalarials and vitamins such as the B vitamins.

Which of the following compounds will form an electrolyte in solution? A. MgCl₂ B. C₆H₁₂O₆ C. C₂H₅OH D. C₅H₁₂ What is the molarity of a 785 ml solution that contains 6.5 moles of HCl? A. 8.3 M B. 0.008 M C. 121 M D. 0.12 M

What is an example of elements

German scientist alfred wiener is best known for what hypothesis?

During early research in nuclear energy, why were scientists surprised that the products from splitting a uranium nucleus had less mass than the reactants?

What are the efferent components of the facial nerve and their actions?

Suppose a variation makes an individual member of a species better adapted to its environment. how might the variation affect the individual's reproduction.

What was the weight percent of water in the hydrate before heating? Put answer in one decimal place. weight of water 0.349 weight of hydrate 2.107