Omg I wish I knew this one sorry
Hope you can figure it out
The potassium chloride is KCl. The gram formula mass of KCl is 39+35.5=74.5 g/mol which means 74.5 g per mole of KCl. So the mass of KCl is 6.90*74.5=514 g.
Answer:
in the presence of water, a strong acid will dissociate quickly and release heat, so it is an exothermic reaction.
Explanation:
Geothermal (volcanoes and heat sources from the earth) and solar
I'm not sure, you might have to double check, but 0.019 mol