The atomic mass of Bromine
What is 79.9 g
In the equation Na + Cl -> NaCl, what are the reactants?
Na and Cl
What is the percent composition of H in HCl?
2.7%
What is the Molar Mass of NaCl?
58.5 g/mol
What does a mole measure?
Representative particles within elements or compounds
What is 1/4 written as a percent?
25%
Balance the following equation:
NH4NO3 -> N2O + H2O
NH4NO3 -> N2O + 2 H2O
What is the percent composition of Na in NaCl?
39.3%
What is the molar mass of CO2?
44 g/mol
How many atoms are in 1 mole?
6.02*1023
What is the atomic mass of Manganese?
54.9g
Balance the following reaction
P4O10 + H2O -> H3PO4
P4O10 + 6 H2O -> 4 H3PO4
What is the percent composition of Cu in CuBr2?
28.6%
What is the molar mass of NaOH?
40 g/mol
How many particles are in one mole of CuBr2?
6.02*1023
What is 1/3 written as a percent?
33.3%
balance the following
Al + H2SO4 -> Al2(SO4)3 + H2
2 Al + 3 H2SO4 -> Al2(SO4)3 + 3 H2
What is the percent composition of Br in CuBr2?
71.4%
What is the molar mass of CaBr2?
200 g/mol
How many atoms are in 2 moles of Na?
12.04*1023
Approximately what percent of gum is comprised of sugar?
50%
Balance the following equation:
KClO3 -> KCl + O2
2 KClO3 -> 2 KCl + 3 O2
What is the percent composition of O in NaOH?
40%
What is the molar mass of (NH4)2S?
68 g/mol
How many moles are in 18.06*1023 atoms of NaCl?
3 moles