Which pair of compounds has the same empirical formula? a. CH and C2H2

b. C2H6 and CH

c. C3H8 and C3H

d. C2H2 and C2H

Label a-f based on the table using c for concentrated and d for dilute

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

What are the first three quantum numbers for the electrons located in subshell 2s?