Calcium metal reacts with water to form calcium hydroxide and hydrogen gas. How many grams of hydrogen are formed when 0.50 g of calcium are added to water?
A. 0.025 g
B. 0.050 g
C. 0.10 g
D. 0.50 g
Answer:A
Calcium metal reacts with water to form calcium hydroxide and hydrogen gas. How many grams of hydrogen are formed when 0.50 g of calcium are added to water?
A. 0.025 g B. 0.050 g C. 0.10 g D. 0.50 g