A scientist makes a boric acid (H3BO3) solution by dissolving 22.5 g of H3BO3 in water to make 750.0 mL of solution. Calculate the number of moles of H3BO3 present:

Matches the chemical name of each oxide of phosphorus to its chemical formula

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

When the water vapor cools it condenses select a number that represents his process on the