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Stoichiometry
Page 8
Questions (11,774)
calculate the mass of sodium trioxonitrate(v) produced when 3.0g of pure sodium hydroxide reacts with 100cm3 of 1.0m
4 answers
asked by
sani auwalu
1,243 views
Calcium carbonate of mass 10g was heated until there was no further change
A. Write an equation for the reaction B. Calculate the
4 answers
asked by
Stephen
1,299 views
A metal x with relative atomic mass 56 form an oxide with formula X2 O3 how many grams of metal will combine with 10g of
6 answers
asked by
Yahdel
2,399 views
When 2.50 mol of Mg3N2 are allowed to react according to the following equation, how many moles of H2O also react?
Mg3N2 + 6H2O
6 answers
asked by
Soojung
6,389 views
How many moles of C6H12O6 are formed when 0.250 mole of CO2 is consumed in the
reaction 6 CO2 + 6 H2O C6H12O6 + 6 O2?
5 answers
asked by
joe
5,115 views
How do I do the empirical formula for 37.01% carbon, 2.22% hydrogen, 18.50% nitrogen, and 42.27% oxygen? My teacher gave me the
4 answers
asked by
Grace
2,517 views
So I have the balanced equation:
c3H8 +502 = 3C02 +4H20 Question: At STP propane (C3H8) burns in oxygen to form 2.15L of carbon
4 answers
asked by
Stefan
1,238 views
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 (by mass) contains how many moles of HNO3?
how did you get the answer
5 answers
asked by
DIANA
2,105 views
What is the percent by mass of glucose in a solution containing 0.15 moles of glucose dissolved in 410g acetic acid? The molar
4 answers
asked by
Lauren smith
3,466 views
how many moles of butane gas c4h10 react to produce 3.50moles of water?
4 answers
asked by
tracey
2,909 views
if 22.5 mL of 0.383 M HCl are required to completely neutralize 20.0 mL of KOH, what is the molarity of the KOH solution?
6 answers
asked by
lavonne
2,564 views
In an experiment to find the percentage of calcium carbonate in sand from a beach, 1.86 g of sand reacted with an excess of
4 answers
asked by
Tony
2,181 views
Given the equation:
6CO2(g) + 6H2O(l) -> C6H12O6(s) + 6O2(g) What is the minimum number of liters of CO2(g), measured at STP,
5 answers
asked by
Ken
4,051 views
How many grams of phosgenite can be obtained from 10.0 g of PbO and 10.0 g of NaCl in the presence of excess water and carbon
4 answers
asked by
heather-please help due by midnight!!!
1,896 views
How many moles of O2 are present in 67.2 L of O2 gas at STP?
4 answers
asked by
Curlyqty
6,095 views
Mg3N2 + 6H20 = 3Mg(OH) + 2NH3
What mass of magnesium nitride would you need to react with excess water to produce 25g of ammonia?
4 answers
asked by
Stephanie
1,346 views
How many moles are in 7.5x10^24 molecules of carbon dioxide? Grams?
5 answers
asked by
Jake
2,601 views
determine the residual gas when 20.0cm³ of hydrogen was sparked 15.0cm³ of oxygen and the resulting mixture cooled at room
4 answers
asked by
peter
454 views
If 4.39 g AlCl3 is dissolved in enough water to make exactly 100.0ml of a solution, what is the molar concentration of the
4 answers
asked by
Karen
4,019 views
What volume of oxygen at NTP is required to oxydize 100gram of glucose ?
4 answers
asked by
Shishir
1,578 views
If 10.6 mol of carbon monoxide is produced how many grams of carbon were used?
How do you convert moles to grams? And what are
3 answers
asked by
Helen
1,043 views
How many electrons are transferred in the reaction between magnesium metal and oxygen? Give your answer as a ratio of moles of
4 answers
asked by
help
1,457 views
How many grams of chlorine are required to react completely with 5.00 grams of sodium to produce sodium chloride ? 2na + cl2 →
5 answers
asked by
mispa
1,102 views
If 130.0 g Zn reacts, what mass of ZnCL2 are produced?
4 answers
asked by
mike
535 views
If you start with 1.00 g NaCl and an excess of the other reactants, how many grams of Cl2 will be produced?
4 answers
asked by
brooke
2,591 views
How many Cu+2 ions are in 5.33 mol of CuCl2?
I did this so far: n-> 5.33 mol Ncu-> ? ions M= 134.45 g =5.33 mol x (602x10^23
4 answers
asked by
Sunny
1,068 views
What is the minimum volume of 2.6 M HBr required to completely dissolve 35.0 g of potassium metal?
4 answers
asked by
Jorge
1,621 views
How much Na is needed to react with H2O to
liberate 179 mL H2 gas at STP? Answer in units of g Please help me with what formulas
4 answers
asked by
Peter
1,264 views
Determine the number of bromide ions in solution when 4.23 g of magnesium bromide and 1.21 g of potassium bromide are dissolved
4 answers
asked by
Stacy
2,977 views
Hi. I'm not sure if my strategy for this problem is correct:
How many grams of CaCO3 will dissolve in 3.0x10^-2 mL of 0.050M
4 answers
asked by
Amir
1,917 views
What mass of solid aluminum hydroxide can be produced when 50.0mL of .200 M Al(NO3)3 is added to 200.0 mL of .100 M KOH
4 answers
asked by
Anonymous
3,710 views
5.6g of iron metal Fe are heated strong and mixed with 8g of sulfur S to form 4.4g of iron(ll) sulfide FeS. a, identify the
4 answers
asked by
Bayisaa
453 views
Calculate the molarity of a Ba(OH)2 solution if 1.90 L is completely neutralized by 0.261 L of 0.505 M HNO3.
4 answers
asked by
anon
947 views
What volume of coffee (pH=5.0) would be required to have .25 moles of H3O+ ions? (must be two steps)
4 answers
asked by
Luna
1,475 views
what mass of zinc dissolved in dilute HCL will produce 0.15g of hydrogen ?
can you explain the steps to sloving this question
4 answers
asked by
precious
1,213 views
if 11.80 g of iron reacts with 5.06 g of oxygen, determine the empirical formula of the oxide?
4 answers
asked by
k
740 views
what mass of H2SO4 is contained in 25g of 15percent w/w solution?
4 answers
asked by
Titus
732 views
Acrylonitrile (c3H3N ) is the starting material for many synthetic carpets and fabrics. It is produced by the?
following
3 answers
asked by
maz
2,787 views
a 10.0mL sample of an unknown H3PO4 solution requirs 112mL of 0.100 M KOH to completely react with the H3PO4. What was the
4 answers
asked by
Monique
4,506 views
How much heat (in kilojoules) is released on reaction of 4.10 g of Al?
Reaction: 2Al(s) + 3Cl2(g)--->2AlCl3(s) Delta H= -1408.4
4 answers
asked by
Julie
1,055 views
Consider the following reaction: 2K(s) + Cl2(g) -> 2KCl(s). If 8 mol potassium reacts with 10 mol chlorine, how much chlorine
4 answers
asked by
Josh
1,400 views
When 0.010 moles of Zn(s) reacts with 30.0 mL of 1.0 M HCl, the H2 gas produced is collected in a 1.0 L flask at a temperature
4 answers
asked by
Sarah
742 views
sulfuric acid can be prepared by a multistep process summarized as: 2 SO2 + O2 + 2 H2O--> 2 H2SO4 What mass of sulfuric acid
4 answers
asked by
Anonymous
1,606 views
A 10.0mL sample of H2SO4 was neutralized by 13.5mL of 1.0M KOH. What was its molarity of H2SO4? What is the normality?
4 answers
asked by
Michelle
2,070 views
How many moles of P4O10 are produced when we react 8 moles of phosphorous with oxygen? I know the answer is:
4 mol P produces 1
4 answers
asked by
Timofey
1,134 views
A sample of liquid consisting of only C,H and O and having a mass of 0.5438g was burned in pure oxygen and 1.039g of CO2 and
4 answers
asked by
rose
3,388 views
How many grams MgCl2 will be formed from 25.6 mL of a 0.100M HCl solution reacting with excess magnesium metal
4 answers
asked by
Cassidy
2,222 views
Calculate the percent yield of alum if you obtained 75.0 g of potassium alum from 5.00 g Al.
4 answers
asked by
Cynthia
2,703 views
What mass, in grams, of sodium hydroxide (NaOH) is produced if 20 grams of sodium metal(Na) reacts with excess water?
4 answers
asked by
Anonymous
2,072 views
2Sb + 3I2->2SbI3
Determine the limiting reactant and theoretical yield when 1.2 mol of Sb and 2.40 mol I2 are mixed.
4 answers
asked by
neil
1,844 views
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