The following results were obtained during the Gravimetric and Volumetric determination of iron in sample A. Gravimetric: 29.18, 29.10, 29.08, 29.17, and 29.04. Volumetric: 29.11, 29.13, 29.22, 29.05, and 29.25. Compute the 95% confidence intervals for the means of both methods.

What are the genotypic and phenotypic ratios

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

Calculate the concentration of all species in a 0.165 m solution of h2co3.