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Chemical Formulas
Page 2
Questions (501)
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
2,657 views
what is the meaning of the numeral represented by X in the general formula for hydrate salt * XH2O
4 answers
asked by
Ivy
4,255 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
2,735 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
3,763 views
Write the chemical formula for chromium(VI) sulfate
4 answers
asked by
aj
1,694 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
3,262 views
what is the chemical formula of magnesium trioxocarbonate
5 answers
asked by
Samuel
1,325 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
6,859 views
3.05 g of hydrated copper sulphate produces 1.94g of anhydrous salt.assuming complete removal of all water of
5 answers
asked by
maria
1,157 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
5,565 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
747 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
2,701 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
1,135 views
What is the oxidation states for all three elements in the formula Rb2SO3 ?
Is this correct?-1,+8,-2
7 answers
asked by
Meg
4,742 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
1,365 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
1,399 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
3,045 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
3,899 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
1,413 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
478 views
what is the number of molecules of c2h6o required to have 135 atoms in total?
5 answers
asked by
sara
572 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
767 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
2,276 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
3,600 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
1,031 views
The molar mass of benzene, an important industrial solvent, is 78.0 g/mol and its empirical formula is CH. What is the molecular
3 answers
asked by
GABS
2,334 views
What is C7H6O3 in empirical form and how do you get there?
4 answers
asked by
Kelley
619 views
In the chemical formula of ammonium sulfate, (NH4)2SO4, how many hydrogen atoms are present?
4
3 answers
asked by
jakey
2,087 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
3,125 views
What is the chemical formula potassium dioxonitrate (5)
4 answers
asked by
USMAN
581 views
What is correcr Kb expression for base CO32-
3 answers
asked by
alyazi
875 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
1,297 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
1,049 views
How many grams of calcium nitrate, Ca(NO3)2, contains 24 grams of oxygen?
4 answers
asked by
Cindy
2,605 views
What is the molar mass of calcium acetate, Ca(C2H3O2)2?
2 answers
asked by
Becky
993 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
2,310 views
Write the chemical formulae compound lead(2)trioxonitrate(5) using the rules for writting chemical formulae
6 answers
asked by
ENIOLA
2,349 views
What is the formula for CoCl2 with 45.5 percent water?
3 answers
asked by
Christine
510 views
What is the empirical formula for Ba(NO3)2
3 answers
asked by
pete
648 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
3,496 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
3,274 views
How do I find the empirical formula of FeSO4? Thanks!
4 answers
asked by
-
1,527 views
Lysine is a compound composed of carbon, hydrogen, nitrogen and oxygen. When 1.50 g of
lysine is burned, 2.72 g of carbon
3 answers
asked by
Ray
667 views
how many atoms are there in 3(NH4)2SO4 ?
3 answers
asked by
cherry
897 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
1,258 views
The formula for ibuprofen is C13H18O2. How many moles of ibuprofen are present in a 200.0mg tablet.
3 answers
asked by
Anonymous
1,118 views
Empirical formula 12.67 aluminum, 19.73 nitrogen, 67.60 oxygen
3 answers
asked by
Jeff
1,650 views
Can you determine the molecular formula of a substance from its percent composition?
2 answers
asked by
melek
973 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
2,426 views
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Parent Categories (18)
Acids and Bases
Atomic Bonding
Atomic Structure
Balanced Equations
Chemical Compounds
Chemical Equations
Chemistry
Elements
elements and compounds
Formulas
Inorganic Chemistry
Ionic Bonding
Ionic compounds
Molecular Compounds
Organic Chemistry
Periodic table
Science and Chemistry
Stoichiometry