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Mole calculations
Page 9
Questions (594)
1. How many moles of Al(CN)3 are in 199 g of the compound?
2. 96.0 mol of P4O10 contains how many moles of P? 3. If 4.71 moles of
2 answers
asked by
Anonymous
814 views
the atomic mass of an element is the mass, in grams, of one mole (mol), or 6.02 * 10^23.
A.) How many atoms are there in 3.5 mol
3 answers
asked by
Chaney
500 views
How many moles of magnesium are needed to react with 16 g of O2?
2 MgO (s) + O2 (g) → 2 MgO (s)
2 answers
asked by
kirk
796 views
How many N atoms are there in 0.410 mol of NH3? Would it simply be 0.410 x 6.02x10^23?
4 answers
asked by
Abby
764 views
How many molecules are in 1.60 g of SO2?
Answer in units of molec
3 answers
asked by
luke
783 views
how many molecules of Xef6 are formed from 12.9L at 298K and 2.6atm according to the following reaction. assume excess is Xe
2 answers
asked by
marie
786 views
If 5.4 moles of methane react with 3.5 moles of oxygen gas, how much carbon dioxide will be produced? Use the following
2 answers
asked by
Bellkis
774 views
Determine (a) the total number of Cl atoms in 125mL of liquid CCl4 (d= 1.589g/mL) and (b) the number of grams of carbon in 215
1 answer
asked by
angela
765 views
how many moles of oxygen are needed to react with 3.5 moles of isopropyl alcohol, C3H7OH
2 answers
asked by
Steven
812 views
How many moles are in 1.59 kg of sodium?
4 answers
asked by
Ava
747 views
How many moles are found in 25 grams of hydrogen chloride gas
2 answers
asked by
Joey
738 views
How many moles of sugar are required to react completely with 3.26 mol of oxygen?
11 answers
asked by
Anonymous
757 views
Find the mass of urea needed to prepare 50.1 of a solution in water in which the mole fraction of urea is 7.50×10−2.
6 answers
asked by
Kelley
741 views
According to the following reaction, how many moles of oxygen gas are necessary to form 0.543 moles water?
hydrogen sulfide (g) +
2 answers
asked by
bessie
751 views
An antacid contains 200mg of aluminum hydroxide and 200 mg of magnesium hydroxide per capsule.
How many moles of aluminum
2 answers
asked by
Lily
746 views
How many moles of chlorine atoms are present in 4.8x10^20 molecules of carbon tetrachloride?
2 answers
asked by
Anonymous
731 views
How many moles are there in 5 moles of Tungsten(V)oxalate tetrahydrate?
4 answers
asked by
Diane
688 views
How many molecules (not moles) of NH3 are produced from 3.65x10-4g of H2?
3 answers
asked by
Gullible
702 views
How many atoms are in 1.14 mol of propane (C3H8)?
A. 7.55 x 1023 atoms B. 7.77 x 1024 atoms C. 7.55 x 1024 atoms D. 7.55 x 1030
5 answers
asked by
Drew
727 views
How many moles of magnesium sulfate are needed to make in a solution of 0.10g Mg2SO4?
2 answers
asked by
Rena
694 views
A sample of aluminum oxide, Al2O3(s), contains 8.29*10^25 total atoms. Calculate the amount in moles of aluminum oxide in the
1 answer
asked by
lg
699 views
A 0.5215 gram sample of CaCO3 is dissolved in 12M HCl and the resulting solution is diluted to 250.0 mL in a volumetric flask.
Ho
2 answers
asked by
saddee
707 views
if .5 mole of baCl2 is mixed with .2 mole of Na3Po4.Then maximum number of mole of Ba3(PO4)2 is
2 answers
asked by
anu
662 views
How many particles are there in a mole of nitrogen dioxide molecules? How many total atoms are there in a mole of nitrogen
2 answers
asked by
yo
672 views
how many moles of potassium carbonate will be produced if 400.0 g of potassium hydrogen carbonate are heated
2 answers
asked by
Tierney
679 views
How many moles of H_2 are needed to produce 13.27g of NH_3?
2 answers
asked by
Chad
655 views
from 200 mg of CO2, 10^21 molecules are removed. how many moles of CO2 are left?
2 answers
asked by
shish
660 views
A 10.0 ml diluted chloride sample required 44.89 ml of 0.01982 M AgNO3 to reach the Fajans end point. how many moles of Cl- ions
2 answers
asked by
lin
656 views
Determine the number of moles of
a) N atoms in 42.5g of Mg(NO3)2 b) N atoms in a sample of C7H5(NO2)3 that has the same number of
4 answers
asked by
tomi
665 views
2 HNO3 + 1 Na2S -> H2S + 2 NaNO3
How many moles of H2S would we expect to be formed by reaction if 3.50 moles of HNO3 reacted
2 answers
asked by
jamie
654 views
Dr. Bob222,
Calculate the moles of C2H6 in 8.60×1023 molecules of C2H6. I did what you said, I got 8.60*10^23*(1mole/6.02*10^23)
3 answers
asked by
Jennie
663 views
How many moles of magnesium are in Magnesium Chloride?
2 answers
asked by
Gina
632 views
1. If two moles of ZnCl2 separate into Zn+ and Cl- ions, how many moles of Zn+ ions are present?
2. How many moles of NO3- are
3 answers
asked by
G
650 views
d. How many moles of O2 are needed to produce 7.48g of CO2?
3 answers
asked by
Sothao
621 views
I need help putting my answers in significant figures thanks
2 C8H18(g) + 25 O2(g) 16 CO2(g) + 18 H2O(g) at STP How many
4 answers
asked by
Lauren
619 views
Given the balanced equation: H2 + Cl2 2 HCl ,
how many moles of HCl will be produced if 18.4 g H2 reacts with 127 g Cl2?
3 answers
asked by
Faith
650 views
Suppose 1.0 mol of substance A reacts with 1.0 mol of substance B. to produce 2.0 mol of substance C. In a reaction, 2.4 mol of
1 answer
asked by
Andrew
654 views
how many moles of H2O are produced when 5.00 mols of oxygen gas are used
2 answers
asked by
karla
620 views
how many moles of CO2 are produced from 2.90 moles of C3H8? C3H8 + 5O2 yields 3CO2 +4H2O
2 answers
asked by
Missy
633 views
How many moles of oxygen will be produced by 0.27 moles of potassium chlorate?
2 KCLO3 = 3 O2 + 2 KCL 0.27 x 3 O2 / 2KCL = 0.405?
3 answers
asked by
Boberto
613 views
How many moles of hydrogen atoms are present in 2.31x10^24 molecules of CH4?
3 answers
asked by
Kristine
620 views
calculate number of moles of h2so4 needed to react with 25.0ml of .20M liOH
3 answers
asked by
Anonymous
617 views
Based on the balanced equation C4H8S + 7O2 = 4CO2 + 4H2O + SO2 calculate the number of H2O molecules formed when 39 C4H8S
2 answers
asked by
andy
625 views
How many molecules of (CH3)2NH are needed to react completely with 2.00mg of H2C2O4? Help i don't understand this process!
2 answers
asked by
Piper
617 views
Based on the balance equation 2C6H14+19O2 gives 12CO2+14H2O calculate the moles of CO2 formed when G moles of H2O formed
2 answers
asked by
Anonymous
631 views
How many total moles of ions are released when the following sample dissolves completely in water?
31.3 g of Ba(OH)2 · 8H2O
2 answers
asked by
Rory
619 views
I can not determine the answer for this problem...can someone please help me?
Determine the number if moles of MgO that form from
2 answers
asked by
Jessica
607 views
thank you VERY much for your replies, DrBob.
Another question, however: How many moles of ions -both cations and anions- are
1 answer
asked by
K
630 views
How many moles of NaOH must be added to 1.00L of this solution to increase the PH to 9.25?
2 answers
asked by
Heather
585 views
How much mole of dry hydrogen at NTP is liberated on heating 0.1 mole of Mg with excess of dilute HCl? Actually what is NTP? I
2 answers
asked by
anu mol
591 views
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Atomic Mass
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