What is the volume occupied by 40 grams of argon gas (ar) at standard conditions?

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.

How many moles are in 7.2 x 10^23 carbon molecules?