What do a mole of magnesium (Mg) and a mole of iron (Fe) have in common? A.
their number of atoms

B.
their number of molecules

C.
their number of electrons

D.
their number of protons

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.