sodium bicarbonate is used to counteract stomach acidity. How many moles of solid sodium bicarbonate would be needed to make 100 mL of 0.660 mol/L solution?

Answer a b c and d for my chemistry hw

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these