What mass is Thallium (I) sulfide will be formed from 36.00g of thallium reacting with excess sulfur

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

26. of of (aq) by (aq) is . if 50.00 ml of 1.05 m is to 25.00 ml of 1.86 m ,at be? ( no is toina of aof) , h.. (p. ). . .

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li