Answer:
182.156g
Explanation:
grams = 49/.269 = 182.156g needed
Answer:
C. NaHCO3 → Na2CO3 + H2O + CO2
Explanation:
» For a balanced equation, the number of atoms of reactants and products must be equal.
» In equation C, the reactant side has one sodium atom while ptoduct side has 2 sodium atoms.
» The balanced equations mus be;
I’m pretty sure it’s D. Hope that helps! Correct me if I am wrong.
For #1 the answer is dependent relationship . 2. answer is independent relationship . the last question the answer is dependent.
The fact that most alpha particles went straight through the foil is evidence for the atom being mostly empty space. A small number of alpha particles being deflected at large angles suggested that there is a concentration of positive charge in the atom.
