Titrations provide a method of quantitatively measuring the concentration of an unknown solution. a. Trueb. False

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Consider the following unbalanced equation for the combustion of hexane: αc6h14(g)+βo2(g)→γco2(g)+δh2o(g) part a balance the equation. give your answer as an ordered set of numbers α, β, γ, use the least possible integers for the coefficients. α α , β, γ, δ = nothing request answer part b determine how many moles of o2 are required to react completely with 5.6 moles c6h14. express your answer using two significant figures. n n = nothing mol request answer provide feedback

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?