A 26.0 g sample of a compound contains 6.0 g of C, 1.0 g of H, and 19.0 g of F. Which of the following is the empirical formula of the compound?
Choose 1
CHF
CH2F2
C2H2F2
C2H4F4

14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream

Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%

Draw the lewis dot structure for each of the following polyatomic ions