Which of these materials has the most moles of metal atoms

a. 100g potassium, k

b. 100g potassium chloride, KCL

c. 100g iron (II) oxide, FeO

d. 100g iron, Fe

Which answer best describes the transfer of heat that occurs when 1.40 mol of H2 reacts?

Nitroglycerin (C3H5N3O9) can decompose and is represented by the following reaction: C3H5N3O9 = 6N2 + CO2 + H2O + O2 1. how much nitrogen in grams) forms when 500g of nitroglycerin decomposes? 2.

Where would u expect a warmer environment, Mexico or Canada why?

How many atoms of each element are in one molecule of this product.

In the following reaction, how many grams of nitroglycerin C3H5 (NO3) 3 will decompose to give 120 grams of water? 4C3H5 (NO3) 3 (l) 12CO2 (g) + 6N2 (g) + 10H2O (g) + O2 (g) The molar mass of nitroglycerin is 227.0995 grams and that of water is 18.

Which of these elements elements has an electron configuration of [Kr]5s2

Which of the elements listed is the most abundant extracellular anion?

What is the chemical formula for the chemical magnesium nitride?

Why are parentheses used to write the formula AI (OH) 3

Calculate the molar mass of (NH4) 2SO4. molar mass of (NH4) 2SO4=__N*__+__*__+__*__+__ O*__=__ g/mol (total)