Definitions and more
Ions that remain unchanged on both sides of a chemical reaction.
What are Spectator Ions?
Molar mass of C
What is 12.01 g/mol
number grams of carbon in 10 moles
what is 120.1 g or 120. g of C
Percent composition of ammonia (NH3)
What is...
% N = 82.24
%H = 17.76
The meaning of being significant as a number
unit for molar mass
What is grams per mole (g/mol)
Molar mass of H2O
What is 18.02 g/mol
Number of grams in 88.1 moles of magnesium
What is 2141.7 or 2140 grams rounded to 3 SF
23 km into micrometers
2.3x10^10 micrometers
Number of significant figures in 1,230.00
What is 6
The number of "things" in a mole
What is 6.022 x 1023
Molar mass of H3PO4
What is 98.00 g/mol
number of grams in 2 moles of oxygen
What is 32.0 g
Number of atoms in 840.90 amu of Fe
15 atoms of Fe
234,056 rounded to 2 significant figures
What is 230,000 or 2.3 x 10^5
Give the correct net ionic equation for the balanced molecular equation: Ag2SO4 + 2NaCl = 2AgCl + Na2SO4
Ag+ (aq) + Cl- (aq) = AgCl (s)
Molar mass of HCO3
What is 61.02 g/mol
Number of grams in 4.5 moles of NaF
What is 189 g of NaF
Number of amu in 1.2x10^5 atoms of Sodium
2.76 x 10^6 amu of Na
0.00890 + 1.250
1.259
Name SnO2
Tin (IV) oxide
Molar mass of MnO4
What is 118.94 g/mol
Molar mass of Ca(OH)2
74.10 g/mol
Number of moles in 4.5x10^25 amu of Lithium
10.77 moles of Li (remember to divide by 6.94 amu, and then take the answer and divide it by Avogadro's number)
( 2.912 - 1.20 ) / 7.5
What is 0.23