Which measure of a gas does the expression rNT/P represent?

Litmus paper is made from water-soluble dyes which are extracted from lichens. this paper is used as an acid-base indicator. which of these common household substances would turn blue litmus paper red? a) bleach b) lye c) soap d) vinegar

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work