10. Potassium hydroxide, KOH, reacts with hydrochloric acid, HCl, to form a salt and water. KOH + HCI KCI + H2O
25,00 g
?g 33.22 g 8.02 g
What mass of hydrochloric acid, to the nearest hundredth of a gram, is required for this chemical reaction?

Variables,control,conclusion and finally scientific theory

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .