Oxidation Number And Chemical Formula Chemistry
In this chapter we discuss oxidation number and chemical formula.
A chemical formula includes the symbols of the elements in the compound and subscripts that indicate
Number of atoms or ions of each element that are combined in the compound
A chemical formula for a molecular compound represents the composition of
How many atoms of fluorine are present in a molecule of carbon tetrafluoride, CF4?
The formula for carbon dioxide, CO2, can represent
all of the above
What is the formula for zinc fluoride?
What is the formula for the compound formed by calcium ions and chloride ion?
What is the formula for the compound formed by lead (II) ions and chromate ions?
What is the formula for aluminum sulfate?
What is the formula for barium hydroxide?
Name the compound Ni(ClO3)2
nickel (II) chlorate
Name the Zn3(PO4)2
Name the compound KClO3
Name the compound Fe(NO3)2
iron (II) nitrate
Name the compound Al2S3
Name the compound CF4
Name the compound SiO2
Name the compound SO3
Name the compound N2O3
What is the formula for silicon dioxide?
What is the formula for dinitrogen trioxide?
What is the formula for sulfur dichloride?
What is the formula for diphosphorus pentoxide?
what is the formula for hydrochloric acid?
the oxidation number of fluorine is
-1 in all compounds
What is the oxidation number of oxygen in most compounds
what is the oxidation number of a pure element
In a compound, the algebraic sum of the oxidation number of all atoms equals
what is the oxidation number of hydrogen in compounds containing metals?
in a polyatomic ion, the algebraic sum of the oxidation numbers of all atoms is equal to
the charge of the ion
what is the oxidation number of oxygen in H2O2
what is the oxidation number of hydrogen in KH
what is the oxidation number of hydrogen in H2O
what is the oxidation number in SO2
what is the oxidation number of sulfur in H2SO4
what is the oxidation number of oxygen in CO2
Name the compound N2O2 using the stock system
nitrogen (II) oxide
Name the compound SO2 using the stock system
Sulfur (IV) oxide
name the compound CCl4 using the stock system
carbon (IV) chloride
name the compound H2O using the stock system
hydrogen (I) oxide
name the compound CO2 using the stock system
carbon (IV) oxide
name the compound PBr5 using the stock system
phosphorous (V) bromide
the molar mass of an element is the mass of one
mole of the element
what is the sum of the atomic masses of all the atoms in a formula for a compound
What is the formula mass of magnesium chloride, MgCl2
what is the formula mass of ethyl alcohol, C2H5OH
What is the formula mass of (NH4)2SO4
the molar mass of MgI2 is
the sum of the masses of 1 mol of Mg and 2 mol of I
the molar mass of NO2 is 46.01 g/mol. how many moles of NO2 are present in 114.95 g
the molar mass of CCl4 is 153.81 g/ mol. how many grams of CCl4 are needed to have 5.000 mol
the molar mass of H2O is 18.02 g/mol. how many grams of H2O are present in 0.20 mol
the ,olar mass of LiF is 25.95 g/mol. how many moles of LiF are present in 10.37 g
the molar mass of CS2 is 76.15 g/mol. How many grams of CS2 are present in 10.00 mol
the molar mass of NH3 is 17.03 g/mol. how many moles NH3 are present in 107.1 g
what is the mass of 0.240 mol glucose C6H12O6
how many Cl- ions are present in 2.00 mol of KCl
1.20 x 10^24
how many OH- ions are present in 3.00 mol of Ca(OH)2
3.61 x 10^24
how many oxygen atoms are there in 0.500 mol of CO2
6.02 x 10^23
how many Mg2+ ions are found in 1.00 mol of MgO
6.02 x 10^23
if 0.500 mol of Na+ combines with 0.500 mol of Cl- to form NaCl, how many formula units of NaCl are present
3.01 x 10^13
how many molecules are there in 5.0 g of methyl alcohol, CH3OH
9.4 x 10^22
what is the percentage composition of CF4
13.6% C, 86.4% F
what is the percentage composition of CO
43% C, 57% O
what is the percentage composition of CuCl2
47.27% Cu, 52.73% Cl
the percentage composition of sulfur in SO2 is about 50%. What percentage of oxygen in this compound
what is the mass percentage of OH- in Ca(OH)2
what is the mass percentage of chlorine in NaCl?
a formula that shows the simplest whole number ration of the atoms in a compound is the
the empirical formula is always the accepted formula for a
the empirical formula for a compound shows the symbols of the elements with subscripts indicating the
smallest whole number ratio of atoms
the empirical formula may not represent the actual composition of a unit a(n)
what is the empirical formula for a compound that is 31.9% potassium, 28.9% chlorine, 39.2% oxygen?
what is the empirical formula for a compound that is 23.6% phosphorus and 56.4% oxygen
to find the molecular formula from the empirical formula one must determine the compound’s