A 5.35 g mixture contains both lithium fluoride, LiF, and potassium fluoride, KF. If the mixture contains 3.12 g fluorine, what is the mass of the KF in the mixture?

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

What is the molar mass of a gas that has density of 2.054 g/l

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.