A 10.0-milliliter sample of NaOH (aq) is neutralized by 40.0 milliliters of 0.50 M HCl. What is the molarity of the NaOH (aq) ? (1) 1.0 M (3) 0.25 M (2) 2.0 M (4) 0.50 M

What is the oxidation state, d electron count, and coordination number respectively of the cobalt ion in [CoBr (NH3) 4]PO4? What is the oxidation state, d electron count, and coordination number respectively of the cobalt ion in [CoBr (NH3) 4]PO4?

A beaker contains a solution of calcium hydroxide (Ca (OH) 2) in water. A student places a straw in the beaker and then breathes into the solution through the straw. As the student breathes into the solution, a white precipitate forms.

What is an example of the extensive property

Why is water the universal solvent? solubility, solute, solvent, dissolve?

How to balance equations

Martha has a large amount of 1.25 M H2SO4 in her lab. She needs 36 grams of H2SO4 for a chemical reaction she wants to perform. How many liters of solution should she use?

A student makes observations when water is added to a blue solution of copper sulfate. The student makes only 1 observation: the solution changes to a lighter shade of blue. Is this an example of a chemical reaction? Explain your reasoning.

When dos the spring tide occur

As ice transforms into steam, Question options: new molecules are formed. the types of atoms are changed. energy is absorbed by the molecules. the mass of the molecules is increased.

Why do chemists consider the periodic table so useful?