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Chemical Formulas
Page 4
Questions (491)
I see the formula Al(OH)3.
Why are parentheses used in writing this formula? The formula Na2O means we have two atoms of Na and
2 answers
asked by
Bryan
703 views
What is the formula for borax
2 answers
asked anonymously
16 views
think about what the letters and numbers in the chemical formula for propane must mean.Label each item shown in the diagram
2 answers
asked by
Kaitlynn
20 views
In a molecule of lithium sulfide, there are two atoms of lithium and one atom of sulfur. Which statement about lithium sulfide
21 answers
asked by
robert the crane truck
359 views
what is the chemical formula of magnesium phosphide
2 answers
asked by
anon
41 views
write the chemical formula for magnisium nitride
1 answer
asked by
ashaabda43
81 views
How many atoms of each element are present in 1 formula unit of CA3(PO4)2?
1 answer
asked by
Anonymous
106 views
What will be the chemical formula for an ionic compound containing Na+ and SO42-
1 answer
asked by
Anonymous
114 views
Calculate the molecular mass of the following a) H2SO4 b) Na2SO3 c) Fe(SO4)3 d) Cs(CO3) e) (NH3)4PO4 f) Mg(HCO3)2
3 answers
asked by
Nathaniel Benson
28 views
If I get 1 moles of Epsom salt, which has the chemical formula MgSO4.7H2O. What is the molar mass of this compound? Molar mass
2 answers
asked by
yug
513 views
The formula for the hydronium ion is _____.
HO 3 H 3O + H + OH -
2 answers
asked by
Anonymous
1,000 views
1.Empirical formula P 2 O 5 , Experimentation shows that the molar mass of this compound 283.89g / (mol) . What is the
1 answer
asked by
jj
352 views
H20 (water) indicates there are _____.
A.two hydrogen atoms and one oxygen atom in this chemical formula B.two oxygen atoms and
2 answers
asked by
20four
1,125 views
what is the chemical formula for copper(II)tetraoxosulphate(VI)pentahydrate
and what is its RMM
3 answers
asked anonymously
97 views
What does Na2SO4 stand for
3 answers
asked anonymously
12 views
Europium can have 2+ or a 3+ charge which one of these formulas is not possible
1) EuSO4 2)Eu2(SO4)3 3)EuPO4 4)Eu(NO3)3 5) EuHCO3
1 answer
asked by
Shornora
362 views
List all possible unit formulas (chemical formulas) that can be constructed by the formation of binary ionic compounds from the
4 answers
asked by
Anonymous
2,070 views
The chemical formula for magnesium phosphate is Mg3(PO4)2
How many moles of oxygen are present in 2.50 mol of magnesium phosphate
3 answers
asked anonymously
44 views
I need help on this question. I can't seem to understand it.
Find the molecular formula of a compound with a gram molecular mass
3 answers
asked by
Candice
486 views
an unknown compound contains 85.64% carbon with the remainder hydrogen. It has a molar mass of 42.08 g/mol. Find its empirical
2 answers
asked by
GABS
529 views
CHemical formula names
a. Name either the complex, or given the name of the complex, write the formula for the complex I.
2 answers
asked by
Mall
1,090 views
what is the empirical formular of the following compound: 0.142 g phosphorus with 0.436 g of fluorine.
1 answer
asked by
Nikki
409 views
Write the formulas for silicon dioxide.
Note: it says formulas SiO2 i guess is a formula but idk how to write formulas for it.
2 answers
asked by
Angela
650 views
so for all the chemical formulas if there is no subscript (for the valency of the element) does it mean it is a one or do i have
2 answers
asked by
Sam
633 views
What are the reactants in the following chemical formula?
C6H12O6 + 6O2 �¨ 6CO2 + 6H2O
1 answer
asked by
hannah
932 views
list the numbers and types of atoms represented by these chemical formulas.
a.Fe2O3 b.KMnO4 c.CH3 d.NH4NO3
4 answers
asked by
arwin
4,959 views
1. Write the chemical formula for each of the following acids:
a.) hydrocyanic acid b.) oxalic acid c.) chlorous acid d.) nitric
3 answers
asked by
Anonymous
1,401 views
molecular formula of lithium carbonate is LiCO.What is the molecular weight of the drug?
a. 100.88 b. 73.88 c.48 d. 6.94
2 answers
asked by
deb
721 views
What is the molar mass of hydrogen peroxide?
2 answers
asked by
Nami
1,521 views
Determining Chemical Formulas?
This was on my test a few days ago for Basic Chemistry, I received 8/20 and I'd really like to see
1 answer
asked by
Chris
455 views
empirical formulas"
p 889(153e)
4 answers
asked by
rose
263 views
I agree with 0.0918 mols C and 0.137 mols H but not the formula.
0.137/0.0918 = about 1.5; is that C2H3? And the balanced
7 answers
asked by
Devron
401 views
Table salt, sodium chloride, has the formula NaCl. A weight of 58.44 grams of table salt contains 1.0 mole of NaCl molecules.
3 answers
asked by
Dawn
1,046 views
4. Given the chemical formulas of the following compounds, name each compound and state the rules you used to determine each
4 answers
asked by
Taylor
1,694 views
how do i find the number of moles of oxygen atoms in: Al(OH)3
2 answers
asked by
Gurjot
759 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
1,110 views
what is the chemical formula for maganese(II)iodine?
1 answer
asked by
Anonymous
275 views
a gas has an empirical formula C6H7O5. When put in a 50mL bulb at 120 degrees celcius and 120kPa (pressure) it's mass is
1 answer
asked by
Anna
339 views
Given the known compounds--- CO2,KF,MgO,CaCL2,Na2O,Ga2O3 and AICl3- predict tbe formula for the following combinations of
1 answer
asked by
Jessica
412 views
epsom salts, household ammonia, and rubbing alcohol are also consumer chemicals that could be used in this experiment. what are
2 answers
asked by
Andrea
911 views
Find the empirical Formula of a compound that is 30.4% nitrogen by mass, and consists of only nitrogen and oxygen. What is its
1 answer
asked by
Ernesto
1,011 views
Is this formula (Fe2O3) iron oxide?
1 answer
asked by
Jeconiah
424 views
What is the fromulat for copper (II) sulfate?
13 answers
asked by
Ambra
473 views
The molecular formula for this compound (14.37% H, density of 1.13 g/L at 24 C and 743 mmHg) is C_H_
I am not sure how to use
3 answers
asked by
Rose Bud
343 views
Write the formula for each of the following compounds, being sure to use brackets to indicate the coordination sphere.
1)
3 answers
asked by
DAN
725 views
The chemical formula for carbonic acid is H2CO3. How many compounds are represented by this formula? (1 point)
A. 6 B. 1 C. 3 D.
3 answers
asked anonymously
150 views
The chemical formula for carbonic acid is H_{2}*C*O_{3} How many compounds are represented by this formula? (1 point)
O 3 01 06 2
3 answers
asked anonymously
41 views
what is the chemical formula of chock?
4 answers
asked by
NANDU
338 views
The chemical formula for carbonic acid is H_{2}*C*O_{3} . How many compounds are represented by this formula? (1point)
O 6 O3 O
4 answers
asked anonymously
101 views
can anybody please explain nomenclature to me ? how to name?
for example: Na3PO3 NH4CLO2 AuNO2
7 answers
asked by
maya
810 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