In the reaction 2k (s) + 2h2oh (aq) + h2 (g) which of the reactants is a solid
a) k
b) h2o
c) koh
d) h2

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume

How many grams of phosphorus are contained in 5.09 moles of phosphorus?

If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1