The concentration of a salt solution in terms of mass by mass percentage is 20% and the mass of the solution is 500g determine the mass of solute present in the solution

While the membrane is depolarizing its Group of answer choices chloride gates are partially open. chloride gates are fully open. potassium gates are fully open. sodium gates are partially open. sodium gates are fully open.

The following reaction is done at STP: C (s) + 2H2 (g) = CH4 (g) If the reaction produces 145 liters of CH4, how many liters of H2 were consumed?

Write balanced ionic equations and net ionic equations for the following reactions. Aqueous sulfuric acid is neutralized by aqueous potassium hydroxide. Express your answer as an ionic equation. Identify all of the phases in your answer.

Convert 0.900 atm of pressure to its equivalent in millimeters of mercury. express the pressure numerically in millimeters of mercury.

How many grams of sodium nitrate will dissolve in 50 g of water at 20 degrees Celsius?

You start with 100 grams of zinc how many moles of hydrogen will be produced

What will an atom do if it has 1 to 3 valence electrons

What is milk best described as? solution, suspension, compound, or colloid?

In any chemical reaction, the quantities that are conserved are ... A. mass and moles. B. the number of molecules and the volumes. C. the number of moles and the volumes. D. mass and number of atoms.

How many neutrons does element X have if its atomic number is 39 and its mass number is 75?