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Chemical Formulas
Page 3
Questions (491)
If a compound consists of 41.39 % carbon, 3.47 % hydrogen and 55.14 % oxygen what is the molecular formula if the molar mass is
4 answers
asked by
lynda
2,343 views
If I have an unknown metal M with a charge of +1, and a polyatomic ion phosphate, write the formula
3 answers
asked by
Bailey
342 views
What is the formula to tungsten (iii) acetate?
3 answers
asked by
Denise
600 views
The percent composition by mass of an unknown compound with a molecular mass of 60.052 amu is 40.002% C, 6.7135% H, and 53.284%
3 answers
asked by
Christina
4,171 views
The no. of nitrogen atoms in Zn(NO3)2
3 answers
asked by
Falcon
886 views
A compound has an empirical formula of CH2 and molecular mass of 84g. What is it's molecular formula?
4 answers
asked by
Mayra
2,043 views
What is the formula for an ionic compound that contains the elements calcium and fluorine?
Is it CaF2? (small 2) Thanks -MC
4 answers
asked by
mysterychicken
1,842 views
What is the compound formula for
Cation: Na+ and Anion: CN-
3 answers
asked by
Sabrina
1,258 views
How many atoms of each element are in this compound? MgBr2
A. 2 magnesium atoms and 2 bromine atoms B. 2 magnesium atom and 2
4 answers
asked by
lalt
1,285 views
what is the chemical formula for vanadium phosphate?
3 answers
asked by
hannah
833 views
This is a model of a compound called propane. Its chemical formula is C3
H8 . Question Think about what the letters and numbers
5 answers
asked by
Dylan Lott
197 views
Assuming the relative molecular mass of a compound with empirical formula C2H4NO is 116. What is the molecular formula
3 answers
asked by
Sinachi
102 views
What information is represented in a chemical formula
3 answers
asked by
Jack
331 views
An ionic hydrate has the formula Pb3(PO4)4 • xH2O. The total mass of the hydrated ionic compound is 18.3g. After analysis, it
3 answers
asked by
O
638 views
An unknown element X forms a compound with bromine: XBr. Predict the chemical formula of the compound that element X makes with
5 answers
asked by
Dan
1,971 views
This problem involves a molecular compound so both empirical and molecular formulas are required. A compound composed of Carbon,
2 answers
asked by
Taylor
499 views
How do you find the empirical formula; A 4.083 sample of a chemical containing only lead, carbon, and hydrogen reacts in
3 answers
asked by
Bunny Jones
738 views
What is the formula of a compound that contains 13.9% calcium 63.9% tungsten and oxygen?
3 answers
asked anonymously
27 views
The term formula mass is a general term that can be applied to both ionic compounds and molecular compounds because
(a) ionic
4 answers
asked by
sally
1,277 views
What is the empirical formula for a compound that is 1.67g Ce and 4.54g I?
4 answers
asked by
Tiffany
1,138 views
What is the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen?
-I found this to be C3H3O
3 answers
asked by
Bridget
2,967 views
How come the formula for potassium peroxide is K2O2; I can't see how you'd get that...
3 answers
asked by
A Canadian
2,887 views
what is the formula of iron III tannate?
4 answers
asked by
peter
2,158 views
How many molecules of CH3OH will contain 3.20 x 10^23 H atoms?
3 answers
asked by
Mark
2,308 views
What is the relative formula mass of 2Cu(NO3)2?
I could do it if it was just Cu(NO3)2 but I don't know how you deal with the
3 answers
asked by
Lucy!
773 views
Why is Mo(II)nitride = MoN3 and not M02N3
Also Why is PbO2 not Pb2O4 Thanks You!
3 answers
asked by
Jason
321 views
What are the reactants in a chemical formula
3 answers
asked by
Wesley
50 views
Write a molecular form of the equation for the reation CaCl2*2H2O/K2C2O4*H2O
3 answers
asked by
Agostino
703 views
The chemical formula for methane is C*H_{A} . What is the fixed ratio of carbon (C) to hydrogen (H)? (1 point
O 4 O 1/5 O 1/4 O
3 answers
asked anonymously
29 views
What does CO2 stand for?
3 answers
asked by
Jo
24 views
Write the correct chemical formula for barium nitrate. What is
the ratio of barium ions to nitrate ions?
2 answers
asked by
Jazmine
879 views
A compound with a formula mass of 42.08 amu is found to be 85.64% carbon and 14.36 % hydrogen by mass. find its molecular
4 answers
asked by
Nick C
2,450 views
Which quantity of particles is correctly represented by the formula H2SO4? Explain.
3 answers
asked by
danny123
1,437 views
which formula is correctly paired with its name? 1.MgCl2 magnesium dichloride
2.N2O5 dinotrogen pentoxide 3.H20 hydrogen oxide
4 answers
asked by
Anonymous
926 views
1. Write the formulas of the principal molecular or ionic species present in an aqueous solution of each substance.
(a) Sodium
4 answers
asked by
Sara
1,613 views
Think about what the letters and numbers in the chemical formula for propane, must mean label each item shown in the diagram
3 answers
asked by
Jo
27 views
What is the chemical formula for propane?
3 answers
asked by
Jo
37 views
Predict the empirical formula of the ionic compound, Cs and C.
How would I do this? Is it Cs_2C?
4 answers
asked by
Anonymous
660 views
A sample of a compound contains 1.52g of nitrogen and 3.47g of oxygen the molar mass of this is between 90g ,Determine the
3 answers
asked by
Mutinta simwale
56 views
Write formulas for the compounds that form from {\rm Rb} and each of the following polyatomic ion: {\rm NO}_{3}^{-}, {\rm
5 answers
asked by
Anonymous
3,808 views
What is the formula mass of ammonium phosphide, (NHsubscript4)subscript3P?
85.0 u 49.0 u 48.0 u 57.0 u I thought I was to look
3 answers
asked by
Sam
3,391 views
A compound contains 3.99% P, 82.3% Br, and 13.7% Cl. Find the empirical formula
3 answers
asked by
Anonymous
565 views
Which of the following are empirical formulas?
A) Ribose (C5H10O5) B) Ethyl Butyrate (C6H12O2) C) Chlorophyll (C55H72MgN4O5) D)
3 answers
asked by
Jack
3,160 views
What is the empirical formula of a compound that contains 29% Na, 41% S, and 30% O by mass? ..My answer is NaSO and I am not
3 answers
asked by
Help generation
1,383 views
67.6g of h2O
5 answers
asked by
Ashley
522 views
I don't understand how to find the formula of a hydrate. Here's one of the question. if you guide me through it I think I'll be
4 answers
asked by
Lena
1,192 views
why is the formula written for an ionic compound such as NaCl the empirical formula,rather than a molecular formula?
3 answers
asked by
caleb
557 views
What is the chemical formula for rust, salt and air?
3 answers
asked by
Laura
366 views
The question list each element and the numebr of atoms
Mg(OH)2 Mg = magnesium What does OH with brackets aorund it mean and then
5 answers
asked by
sam
779 views
what the formula for magnesium oxide
A. Mg20 B. Mg0 C. Mg02 D. Mg203 I will be happy to critique your thinking on this.
3 answers
asked by
Darius Graham
462 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