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Stack #1027839

QuestionAnswer
The number if atoms in a mole of any pure substance is called? Avogadro's Number
What can be said about 1 mol Ag and 1 mol Au? They contain the same number of atoms
An Avogadro's number of any element is equivalent to? 6.022x10 to the 23 particles
If 0.500 mol of Na+ combines with 0.500 mol of Cl- to form NaCl, how many formula units of NaCl are present? 3.01x10 to the 23
using the periodic table, what is the average atomic mass of zinc? 65.39 amu
The atomic mass of hydrogen is 1.008 amu. The reason this value is not a whole number is that? Hydrogen has more than one isotope
A chemical formula includes the symbols of the elements in the compound and subscripts that indicate? the number of atoms or ions of each type
How many atoms of fluorine are in a molecule of carbon tetrafluoride, CF4? 4
Changing a subscript in a correctly written chemical formula ___________? changes the formula so that it no longer represents that compound
A formula that shows the simplest whole-number ratio of the atoms in a compound is the __________? emperical formula
The molar mass of an element is the mass of one _________? mole of the element
To determine the molar mass of an element, one must know the element's _________? average atomic mass
What is the molar mass of magnesium? 24.305g
Created by: kris10ess
 

 



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