Practice empirical formulas and wt

Practice empirical formulas and wt - Determine the...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
CHE 103 Practice in empirical formulas and wt % composition 1. Calculate the wt % composition of the elements in these compounds: Fe 2 S 3 K 3 [Fe(C 2 O 4 ) 3 ] 2. A compound is found by experiment to contain: 42.3 % Ba; 29.1 % Zr; 29.2 % S by weight. [Notice that the wt % numbers do not add up to exactly 100 %, because there is some uncertainty in the data.]
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Determine the empirical formula of the compound. Answers: 1. Fe 2 S 3 is 53.73 % Fe and 46.27 % S by weight. K 3 [Fe(C 2 O 4 ) 3 ] is 26.8 % K; 12.8 %Fe; 16.5 % C; and 43.9 % O by weight. 2. The empirical formula is BaZrS 3...
View Full Document

Ask a homework question - tutors are online