How is the number of moles of an element determined from a known mass? A. The known mass is multiplied by Avogadro's number to get moles.
B. The known mass is divided by Avogadro's number to get moles.
C. The atomic number is used as a conversion factor to convert
grams to moles.
D. The mass of 1 mole of the element is used as a conversion factor
to convert grams to moles.

Zinc + lead(ii) nitrate yield zinc nitrate + leadwhat's the chemical equation for this?

During trial 2, what allowed you to determine that aluminum was the limiting reactant? check all that apply. all of the copper dissolved. all of the aluminum dissolved. the solution turned clear. the number of grams of copper(ii) chloride used in the reaction was greater than the number of grams of aluminum. the molar ratio of copper(ii) chloride to aluminum was greater than 3: 2, the equation’s molar ratio.

What is the molar mass of potassium nitrate, kno3