30) some common substances used in the laboratory are listed in the table. the chemical formulas of the substances are also listed beside their names. how many of the listed items are elements? a) 3 b) 4 c) 5 d) 6 hurry need

1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /

Is powdered sports drink ionic or covalent ? 10pts !

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate