What is the percent by mass of hydrogen in CH3COOH (formula mass = 60. )? A) 7. 1%

B) 5. 0%

C)6. 7%

D)1. 7%

15 points pls answer quick it's timed I don't need explanation

50 pts plz what is the physical state of matter of baking soda.

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g.  what is the percent by mass of water in the hydrate?   %