A cobait uon has a charge of + 2. how many electrons does it have?

2. Write a balanced chemical equation from the following descriptions. a. A solution of silver (I) nitrate is mixed with a solution of sodium chloride. The products are solid silver (I) chloride and aqueous sodium nitrate.

19 How many moles of Cly are produced from 1 mole of CCle.

How does a theory contrast with a hypothesis?

Which type of reaction does Sn2 + → Sn4 + represent?

Which of these accurately describes the products of a reaction? Question 2 options: new substances that are present at the end of a reaction substances that were not used up in a reaction substances that are used in a reaction substances that do not

If you go into the lab and dissolve 2.11 g of magnesium chloride in enough water to make 1500 ml of solution, what is the molarity of the resulting solution?

Which one of the following Acids is most likely to hurt you? Acid A: 1.0 M; Acid B: 0.0001M

Which statement accurately describes the atoms of a specific element? explain your answer in complete sentences. A. A Neon, Ne, atom contains 10 electrons outside the nucleus and 11 neutrons inside the nucleus. OR B.

What is the volume of 2.00 moles of chlorine (cl2) gas at stp, to the nearest tenth of a liter?

A reaction of 12.640 g of copper oxide with 0.316 g hydrogen produces 2.844 g of water and Xg of copper. X=_9