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Chemical Formulas
Page 2
Questions (491)
Rust formula is rep by Fe2O3
How many moles of Fe are present in 24.6 g of the compound
4 answers
asked by
Cleo
2,250 views
2) What is the empirical formula of a compound containing C, H, O if combustion of 1.23g of the compound yields 1.8g CO2 and
4 answers
asked by
Annabelle
2,773 views
A certain compound containing only carbon and hydrogen was found to have a vapor density of 2.550 g/L at 100 degrees C and 760
4 answers
asked by
Amy
2,648 views
what is the meaning of the numeral represented by X in the general formula for hydrate salt * XH2O
4 answers
asked by
Ivy
4,249 views
Ibuprofen, the active ingredient in Advil, is made up of carbon, hydrogen, and oxygen atoms. When a sample of ibuprofen,
4 answers
asked by
robert
2,728 views
A 0.100g sample of a compound containing C, H, and O is burned oxygen producing 0.1783 g of CO2 and 0.0734 g of H2O. Determine
4 answers
asked by
San
3,750 views
Write the chemical formula for chromium(VI) sulfate
4 answers
asked by
aj
1,691 views
Give the formula and charge of the oxoanion ONLY in each of the following compounds.
potassium sulfite sodium perchlorate lithium
4 answers
asked by
Maddie
3,238 views
what is the chemical formula of magnesium trioxocarbonate
5 answers
asked by
Samuel
1,321 views
Write formulas for the compounds that form from In and each of the following polyatomic ion: NO−3, SO2−4, PO3−4.
(Assume In
4 answers
asked by
MELISSA
6,850 views
what is the empirical formula for a compound whose molecular formula is C2Cl6
4 answers
asked by
angie
2,700 views
If the formula of a oxide is X2O3, what is the formula of the chloride of X?
(A) XCl3 (B) XCl (C) X3Cl (D) XCl6
4 answers
asked by
al
5,558 views
Write the chemical formula and number of ions formed when the following electrolyte dissolves in water. Make sure to include
4 answers
asked by
Amanda
741 views
1) What is the chemical formula for the compound formed between thallium(iii) and bromine?
2) What is the chemical formula for
4 answers
asked by
Alex
2,692 views
Cumene is a compound containing only C and H that is used in the production of Phenol and acetone in industry. combustion of
4 answers
asked by
NONO
1,131 views
The chemical formula of one of the nitrogen oxides is N2O5. What mass of nitrogen would be found in 54 g of N2O5?
4 answers
asked by
Mohammed
1,357 views
The empirical formula for Brilliant Blie dye is C37 H34 N2 O9 S3 Na2, and the formula weight is 792.86 g/mol. How would you
4 answers
asked by
Hannah
1,395 views
What is the molar mass of acetic acid (HC2H3O2)?
(NOTE: H = 1.008 amu, C = 12.011 amu, O = 15.999 amu) 120.1 g/mol 30.0 g/mol
6 answers
asked by
bella
3,036 views
Chromium (II) nitrate forms a hydrate that is 40.50% water by mass. What is its chemical formula?
I just need to figure out how
4 answers
asked by
Lola
3,894 views
The most abundant cation in seawater is the sodium ion. The evaporation of seawater gives a mixture of ionic compounds
4 answers
asked by
Stephanie
1,401 views
A 3.68 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was combusted in excess oxygen. This
4 answers
asked by
Brittany
466 views
what is the number of molecules of c2h6o required to have 135 atoms in total?
5 answers
asked by
sara
568 views
Help !determine the emprical formula of a compound w which had 34.2 of iron and 65.8 of chlorine cl35.5 fe56
4 answers
asked by
lol
766 views
The molecular formula of 2.68g hydrated sodium sulphate is Na2SO4.nH2O.If the mass loss on heating is 1.26g then calculate the
4 answers
asked by
Farha
2,268 views
A sample of compound containing boron and hydrogen contains 6.444 g of B and 1.803 g of H. The molar mass of the compound is
4 answers
asked by
irfan
3,591 views
What is the balance molecular formula of K2SO4 + MgCl2
5 answers
asked by
Anonymous
678 views
What is the empirical formula of a substance that contains 8.33×10−2 mol of carbon, 0.167 mol of hydrogen, and 8.32×10−2
3 answers
asked by
Anonymous
1,025 views
What is C7H6O3 in empirical form and how do you get there?
4 answers
asked by
Kelley
612 views
In the chemical formula of ammonium sulfate, (NH4)2SO4, how many hydrogen atoms are present?
4
3 answers
asked by
jakey
2,081 views
What is the empirical formula of a compound that contains 27.0%S, 13.4%O,and 59.6%Cl by mass?
4 answers
asked by
Kay
3,118 views
What is the chemical formula potassium dioxonitrate (5)
4 answers
asked by
USMAN
566 views
What is correcr Kb expression for base CO32-
3 answers
asked by
alyazi
868 views
Chlorophyll, the green pigment in leaves, has the formula C55H72MgN4O5. If 4.5g of Mg is available to a plant for chlorophyll
4 answers
asked by
IRA
1,291 views
The formula for rust can be represented by Fe2O3. How many moles of Fe are present in 21.3g of the compound? Please help. I am
3 answers
asked by
Anna
1,042 views
How many grams of calcium nitrate, Ca(NO3)2, contains 24 grams of oxygen?
4 answers
asked by
Cindy
2,598 views
What is the molar mass of calcium acetate, Ca(C2H3O2)2?
2 answers
asked by
Becky
987 views
If a compound's empirical formula is CH2O and its' formula mass is 120.12 amu, what is its' molecular formula
3 answers
asked by
nick
2,304 views
Write the chemical formulae compound lead(2)trioxonitrate(5) using the rules for writting chemical formulae
6 answers
asked by
ENIOLA
2,338 views
What is the formula for CoCl2 with 45.5 percent water?
3 answers
asked by
Christine
500 views
What is the empirical formula for Ba(NO3)2
3 answers
asked by
pete
641 views
How would you write the chemical formula for Mercury(I) nitrate.
i have Hg(NO3)2 since the charge of nitrate is -2 and Mercury's
4 answers
asked by
Moi
3,492 views
a compound has an empirical formula of C3H5O2 and a molar mass of 145,14g. what is the molecular formula of this compound?
5 answers
asked by
Sammi
3,267 views
How do I find the empirical formula of FeSO4? Thanks!
4 answers
asked by
-
1,521 views
how many atoms are there in 3(NH4)2SO4 ?
3 answers
asked by
cherry
886 views
Give the empirical formula of each of the following compounds if a sample contains the following quantities of each element.
(a)
4 answers
asked by
Jane
1,255 views
The formula for ibuprofen is C13H18O2. How many moles of ibuprofen are present in a 200.0mg tablet.
3 answers
asked by
Anonymous
1,112 views
Empirical formula 12.67 aluminum, 19.73 nitrogen, 67.60 oxygen
3 answers
asked by
Jeff
1,646 views
Can you determine the molecular formula of a substance from its percent composition?
2 answers
asked by
melek
967 views
methyl salicylate has a mass percent composition of 63.2% C, 31.6% O, and 5.26% H.The mass of one molecule of the compound is
3 answers
asked by
pop
2,405 views
Below are the formulas of some hydrates. what is the mole ratio of salt to water?
Hydrate Na2SO4.10H2O Co(NO3)2.6H2O
5 answers
asked by
Rose
3,689 views
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Parent Categories (17)
Acids and Bases
Atomic Bonding
Atomic Structure
Balanced Equations
Chemical Compounds
Chemical Equations
Chemistry
elements and compounds
Formulas
Inorganic Chemistry
Ionic Bonding
Ionic compounds
Molecular Compounds
Organic Chemistry
Periodic table
Science and Chemistry
Stoichiometry