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​

When the volume and number of particles of a gas are constant which of the following is also constant

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

Calculate the frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *