The formula for table salt is nacl. according to the law of definite proportions, this means that the formula for table salt

a) can also be nacl2
b) is always nacl
c) must contain na and cl in some proportion
d) is likely to be nacl in most cases

At stp, what is the volume of 1 mole of co2?

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?