An aqueous ethanol solution (300 mL) was diluted to 3.00 L, giving a concentration of 0.0400 M. The concentration of the original solution was ________ M.

The balanced reaction between aqueous nitrous acid and aqueous strontium hydroxide is ________.

Automobile air bags use the decomposition of sodium azide as their source of gas for rapid inflation: 2NaN3 (s) → 2Na (s) + 3N2 (g). What mass (g) of NaN3 is required to provide 53.0 L of N2 at 22.0 °C and 1.10 atm?

The reaction between strontium hydroxide and chloric acid produces ________.

Of the species below, only ________ is not an electrolyte.

A mixture of He and Ne at a total pressure of 1.3 atm is found to contain 0.32 mol of He and 0.56 mol of Ne. The partial pressure of Ne is ________ atm.

If pressure and temperature are kept constant, the reaction of 135 mL of Cl2 gas with 90 mL of CH4 gas via the equation: Cl2 (g) + CH4 (g) → HCl (g) + CH3Cl (g)will produce a total of ________ mL of products.

How many moles of Na+ are present in 343 mL of a 1.27 M solution of Na2SO4?

The balanced net ionic equation for the precipitation of calcium carbonate when aqueous solutions of K2CO3 and MgCl2 are mixed is ________.

The molarity (M) of an aqueous solution containing 45.0 g of sucrose (C12H22O11) in 71.0 mL of solution is ________.