10 because you divide 200 by 20
the any four ways in which a chemical equipment can be more informative are 1 colour change2 change of temperature 3 evolution of gas 4 production of n odar
Explanation:
if the answer is correct mark me as brain list
Answer:
Barium and Chlorine
Explanation:
Ionic bonds are formed between metals and non metals where the metals lose electrons and become positively charged and the non metals gain electrons and become negatively charge. The opposite charges cause them to be attracted to each other and Bond. The only metal in those options above is Barium. Therefore an ionic bond will be formed between Barium and Chlorine.
Answer:
20cm³ of sulphuric acid reacts completely with excess zinc to form 0.1 mole of hydrogen gas. Calculate the molarity of the acid used.?
Molarity= mol/volume
Molarity= 0.1/20
Molarity= 0.005mol/L
Explanation:
Answer:
Since the equation is balanced, So it have same number of oxygen in the reactants and well as product.
Oxygen in product = 8
Oxygen in reactant = 8
