Step 7: Measuring Masses of the Reactants (Reaction 2)
Mass of HCI:
g
Mass of solid:
g
DONE
1.579 zxo
Compute the mass of the reaction by adding the
masses of the two reactants. Record the sum in the
data table.
(need asap)

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

What type of matter is made of only one kind of atom

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.