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Mole calculations
Page 7
Questions (594)
In 80 gm of NaOH ,how many moles of NaOH are there?
3 answers
asked by
Elvira
430 views
Will someone help me by letting me know if I did these correct, or if there the correct answers? Thanks!
2 (10). If two moles of
2 answers
asked by
Jessie
686 views
In chemistry class, Carlos calculated the number of molecules in 100 moles. The calculator displayed the number 6.02E25. What is
3 answers
asked by
sleepy
92 views
Help please! I can't solve any of these, would someone be as kind as to show me the answers?
How many moles of NaHCO3 are in a
3 answers
asked by
Daniel
628 views
[mole-mole]
How many moles of NaOH are needed to react with 5.0 moles of sulfuric acid, H2SO4??? Equation: H2SO4 + 2 NaOH --->
4 answers
asked by
Jenny
566 views
3.66grams of one hidrokarbure with w(C)=0.8571and W(H)=0.1429 that reacts with Brand ir earns 12.015grams of derivat of Br with
1 answer
asked by
besa
303 views
Sorry not leting me post entire thing on last post..can you please check Thank- YOu
# Chemistry Help Please - GK, Wednesday,
3 answers
asked by
Sara
567 views
2HCl + Mg = H2 + MgCl2
We are given 0.10 grams of Mg The concentration of Mg = 24g/mol Using avogadro's law (V=n/c; v-volume(L),
5 answers
asked by
Lucia
529 views
Hello. Can I get someone to help me set up these problems?
1.) How many moles of N are there in 2.6 moles of NHO3? 2.) How many
1 answer
asked by
Nazr
583 views
can someone help me out with this one? balanced equation is:
2H2 + O2 > 2H2O My questions are: How many molecules of water are
1 answer
asked by
iearn
771 views
This is what i did thus far
I wrote the eqn and i sed 1 mole of LiOH = 24g x mole = 1 g cross multiply the # of moles = 0.042mol
1 answer
asked by
Kim
539 views
I need to know how to figure this out, step by step... Don't assume I know anything.. Break it down for me like I'm a 5 year
3 answers
asked by
Jennie
3,589 views
A solution of ammonia and water contains 2.90×1025 water molecules and 9.00×1024 ammonia molecules. How many total hydrogen
3 answers
asked by
Pam
3,006 views
calculate the number of moles of Al2O3 that are produced when .60 mol of Fe is produced in the following reaction. 2Al(s) +3FeO
3 answers
asked by
john
2,372 views
How many moles of ammonium sulfate can be made from the reaction of 30.0
mol of NH3 with H2SO4 according to the following
4 answers
asked by
Tiers
2,130 views
Before investigating the scene, the technician must dilute the luminol solution to a concentration of 4.00×10−2 . The diluted
4 answers
asked by
boston
2,093 views
how many moles of water are contained in 0.250 mile of CuSO4 * 5H2O? please help me
4 answers
asked by
Kiran
1,911 views
Element A (atomic weight 12.01) and element B (atomic weight 16) combine to form a new substance X. Two moles of B combine with
3 answers
asked by
Devanshu
1,878 views
A 43.0 g sample of hydrated cobalt (II) sulfite is heated to drive off the water. The anhydrous cobalt (II) sulfite has a mass
5 answers
asked by
Elizabeth
1,882 views
how many moles of fe are present in 30g of rust?
5 answers
asked by
ali
1,821 views
Benadryl is an over-the-counter drug used to treat allergy symptoms. The formula of benadryl is C17H21NO.
How many moles of C are
4 answers
asked by
tom
1,796 views
If 111.70 g of iron react with oxygen gas to produce iron (III) oxide, how many moles of oxygen gas will be needed?
4 answers
asked by
Heyyy
1,824 views
If 15.22 g of mercury (II) oxide decompose, how many moles of oxygen can be produced?
4 answers
asked by
Anon
1,725 views
Aluminum metal and hydrogen chloride react to form aluminum chloride and hydrogen gas.
a.)How many moles of aluminum metal are
3 answers
asked by
Kelsi
1,721 views
How many moles of oxygen are required for the combustion of 25.5 g of magnesium?
3 answers
asked by
Kat
1,548 views
How many molecules of Cl2 would be formed from the reaction mixture that produces the greatest amount of products? 4HCl + O2 -->
3 answers
asked by
Jennifer
1,503 views
How many moles of methane are produced when 25.1 moles of carbon dioxide gas react with excess hydrogen gas
3 answers
asked by
norma
1,473 views
a. How many moles of Na2Co3 were present in the 15mL sample?
b. How many grams of Na2CO3 were present in the 15mL sample? c.How
6 answers
asked by
Monte;
1,495 views
How many moles of aluminum oxide can be produced from 12.8 moles of oxygen gas (O2) reacting with excess aluminun (Al)? useing
3 answers
asked by
Jane
1,431 views
Suppose that you have an unlimited supply of copper (I) chloride to react with iron. How many moles of copper would beproduced
1 answer
asked anonymously
54 views
An oxygen sample has a volume of 4.50 L at 27°C and 800.0 torr. How many oxygen molecules does it contain?
1 answer
asked by
aaa
28 views
What volume of nitrogen dioxide (in L) is produced from the complete reaction of 16.87 of lead (ii) nitrate at STP
4 answers
asked by
Damon
1,419 views
Calculate mole solute in solution?
I added 0.2968g of an unknown to a solution. I found that the molality of the solution is
4 answers
asked by
Jones
1,445 views
1.)Calculate the number of moles in
3.50 x 10^21 atoms of silver. Show all work. 2.) Calculate the number of atoms in 2.58 mol
4 answers
asked by
Raina
1,423 views
Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 6.10 moles of magnesium perchlorate, Mg(ClO4)2.
3 answers
asked by
Landis
1,376 views
How many moles of carbon, hydrogen, and oxygen are present in a 100g sample of ascorbic acid?
3 answers
asked by
julia
1,350 views
Given the balanced equation:
a. Fe2O3+3C=2Fe+3CO: b. How many moles of Fe are produced when 1.36 moles of carbon monoxide are
2 answers
asked by
Noel
1,295 views
How many moles of sulfur are present in 2.6 moles of Al2(SO4)3?
2 answers
asked by
Anthony
1,297 views
A sample of water is known to contain 1.51 × 10^24 H2O molecules. How many moles of H2O molecules are present in the sample?
2 answers
asked by
Dave
1,275 views
How much aluminum nitrate can be found
when 12 g of aluminum react with lead(II) nitrate? Answer in units of mol
4 answers
asked by
lynn
1,266 views
If you have 25.3 g of NaCl.
a) how many moles of NaCl do you have? = .433 mol b) how many moles of sodium ions do you have? c)how
5 answers
asked by
Sarah
1,275 views
If 125 grams of KClO3 decomposes completely, how many moles of oxygen gas is produced?
2 answers
asked by
Chad
1,260 views
Mole and Particle practice
How many representative particles (atoms, ions, molecules, etc) are present in each of the following?
6 answers
asked by
jaz
1,260 views
A mixture of ethyne ( C2H2 ) and methane ( CH4 ) occupied a certain volume at a total pressure of 16.8 kPa. Upon burning the
2 answers
asked by
Fred
1,261 views
How to find moles given oxidation numbers and chemical formula?
Trying to do my chemistry lab but i'm super duper stuck. please
4 answers
asked by
dr bob's number one fan
1,248 views
How many molecules are in 12.2 g NO2?
Answer in units of molec
4 answers
asked by
luke
1,221 views
How many moles of Sulfur are in 1 mole of Al2(SO4)3
and If the densitry of a noble gas is 1.783 g/L at STP, that gas is.... My
2 answers
asked by
Bryce
1,182 views
How many moles of magnesium nitride form when 1.0 mole of magnesium reacts completely?
3 answers
asked by
Carly
1,162 views
What is the mole of oxalic acid?
Equation:H2C2O4 + 2NaOH---> Na2C2O4 + 2H2O *Moles of oxalic acid dihydrate is 0.032 mole. *
1 answer
asked by
Ivy
1,192 views
How many molecules of NH3 could be generated from 64 molecules of N2 and 210 molecules of H2? How many molecules of N2 and H2
1 answer
asked by
Kelsey
1,159 views
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Parent Categories (19)
Atomic Mass
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