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

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. initial mass and yield sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery