Chemistry Quiz -How much calcium hydroxide is produced, in milligrams, and hydrogen gas is produced

1. If 4.12 moles of solid calcium metal is mixed with water, it will produce calcium hydroxide and molecular hydrogen gas. How much calcium hydroxide is produced, in milligrams, and hydrogen gas is produced, in milligrams, at STP?2. What is the molarity of a solution after 45.36 ml of 5.977 M NaCl solution is diluted into a total of 779.13 ml solution3. What is the volume if 82.09 g of CH4 are pumped into a balloon that is at a pressure of 303.mmHg and 192.5 degrees farenheit4.What is the equilibrium constant expression for the following unbalanced reaction? Na(s)+Cl(g)—-> NaCl(s)5. What is the hydrogen ion and hydrogen ion concentration for a pH of 2.268? Is the solution an acid or a base?

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