The concentration of a potassium hydroxide solution is 84.0 g dm-3. Calculate the number of moles of potassium
hydroxide present in 300 cm3 of the solution.[K,39,H,1 0,16]​

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Can anyone answer these questions? ? i need it before 1: 00pm today

Which kind of weather usually forms over the northwest united states in the summer because of maritime polar air masses? 1 )fog 2)dry heat 3) heavy snow 4) heavy rain