If the unknown powder was Sodium Carbonate (Na2CO3), how many liters of CO2 would you produce if you started with 4.0 grams of Sodium Carbonate? *NEED ASAP*

What are the first three quantum numbers for the electrons located in subshell 2s?

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury

Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature