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July 24, 2016

Search: 14 carat gold has a purity of 58.3%. How many moles of gold are in 154 grams of 14 carat gold? Answer in

Number of results: 67,195

Chemistry
How many grams of CaH2 are needed to generate 54.5L of gas if the pressure of is 815 torr at 20C?
October 4, 2009 by Monica

science
1. How many molecules of ammonia, NH3, are produced from 12.5 grams of hydrogen in the following balanced equation?
November 9, 2009 by shamisha

Physics
what is the mass of hydrogen peroixide, H2O2, in 350 grams ofa 20% by weight solution?
December 4, 2009 by Doly V

chemistry
how ,many grams of aspirin are required to react exactly with 29.40ml of a 0.6M solution of sodium hydroxide
January 17, 2010 by ujay

Stoichiometry
if you have 66.6g NH3, how many grams of F2 are required for a complete reaction? please show work!!!!!
February 7, 2010 by Tristan

chemistry
If 2500 ml container is filled with 175 grams of argon at -48 degrees celsius, what is the pressure?
February 16, 2010 by Bob

chemistry
How many joules of heat would be required to completely melt 5.00 grams of H2O (s) at 0C to H20 (l) at 0C
April 2, 2010 by Jayla

Physical Science
if an object has a mass of 615 grams and a volume of 105cm3 is the density 5.86 g/cm3?
April 14, 2010 by cassie

chemistry
How much water at 25 degrees celsius is needed to dissolve 10 grams of baruim phosphate?
April 22, 2010 by guest

chem
Use this percentage to calculate the mass of fluorine in grams contained in 29.0 g of copper (II) fluoride
April 25, 2010 by melissa

Chemistry
How many grams of potassium chloride (KCl) could be dissolved in 200g of water at 80 degrees celsius?
June 7, 2010 by Jessica

Chem
how many grams SO2 are produced when 20(g) FeS2 reacts with 16(g) O2? 4FeS2(g)+15O2(g)=2Fe2O2(s)+8SO2(g)
July 18, 2010 by Gregg

chemistry
how many grams of NaOH must be added to 0.250 litres of water to form a solution of PH=10.0?
September 7, 2010 by joey

chemistry
If 30.0 mL of 0.150 M CaC12 is added to 15.0 mL of 0.100 M AgNO3, what is the mass in grams of AgC1 precipitate?
September 29, 2010 by Michael

Chemistry
How much hydrogen and oxygen must react to produce 65.00 grams of water? 2H + O2 -> 2H2O
October 13, 2010 by Brooke

Chemistry
What mass of electrons would be required to just neutralize the charge of 3.9 grams of protons?
October 14, 2010 by Alyssa

Chemistry
For the reaction shown, compute the theoretical yield of the product (in grams) Ti(s)+2Fe(g) = TiF2(s) 6.0 g Ti, 6.0g F2
November 1, 2010 by Lisa

chemistry
How many calories does it take to convert 22 grams of liquid water with a temperature of 48 degrees C to steam?
November 4, 2010 by Rachel

College Chemistry
When 20.0 g C2H6 and 60.0 g O2 react to form CO2 and H2O, how many grams of water are formed?
November 4, 2010 by Jake

Chemistry
How many grams of oxygen gas (O2) will it take to oxidize 1 pound of iron metal? Explain.
November 9, 2010 by Lawrenceburg High School

science
how many grams of water do you have if it takes 3000j to raise the temperature from 21c to 100c
December 9, 2010 by Toni

Thermochemistry
3CO(g)+ Fe2O3(s) --> 2Fe(s) + 3CO2(g) + 24.7 kJ. How much heat is released when 56 grams of CO react?
December 14, 2010 by Hannah

chemistry
What is the pH of a solution prepared to contain 155 grams of HCl in 200.0 mL? Can you tell me how to do it? I can't remember how...
December 16, 2010 by Claudia

chemistry
how much volume would an object have if its density was 3.2 g/ml and had a mass of 2.4 grams
January 18, 2011 by Anonymous

biology/chem
How many grams of glucose should we dissolve in one liter of water to get a 0.9% solution?
January 19, 2011 by nicole

Chemistry
What mass of hydrogen peroxide must decompose to produce 0.77 grams of water(H2O)?
January 24, 2011 by Anonymous

chemistry
What mass of electrons would be required to just neutralize the charge of 1.0 grams of protons?
January 28, 2011 by ETaylor

chemistry
if 25 Liters of H2 is reacted with excess chlorine gas ( Cl2 ), how many grams of HCl can be produced?
February 16, 2011 by sadie

chemistry
Calculate the mass of kl in grams required to prepare 5.00x10power 2mL of 2.80M solution
March 11, 2011 by lisa

Chemistry
OOPs i Meant How many grams CaCo3will dissolve on 3.0*10^2mL of 0.050 M Ca(NO3)2? Ksp=8.7*10^-9
March 21, 2011 by Dom

Science
Please help me! How much energy is released when125 grams of molten iron solidifies?
March 24, 2011 by Logan

chemistry1
how much heat is needed to melt 25.4 grams of iodine at its melting point?(Hfusion+61.7J/g)
April 6, 2011 by kara

Chemistry
How much water must be added to 24.0 grams of salt ot make a solution that is 12.0% by mass?
April 9, 2011 by Beth

Chemistry
if 130 g of KNO3 are added to 100 g of water at 40 degrees Celsius.How many grams do not dissolve?
April 13, 2011 by Tay

science
How many grams of glucose (180g/mole) would be needed to make 100ml of a 1.5 M solution?
April 18, 2011 by matt

physics
the density of a block of wood with a colume of 50 cubic centimeters and a mass of 10o grams is
April 21, 2011 by Anonymous

chemistry
If tums is added to 20.0 mL of 0.400 M HCl solution, how many grams of CO2 gas are produced?
April 22, 2011 by Starlit

Chemistry
What is the molarity and normality of 100.3 grams of calcium hydroxide dissolved in 775 ml of water?
May 8, 2011 by Chris

chemistry
What are the steps to determine how much Nitrogen Gas can be produced from 32.5 grams of Sodium Nitrate?
May 30, 2011 by Dax

Chemistry
23.7 grams of glucose(C6H12O6) are added to water to give a 246 ml of solution. what is the Molarity
May 31, 2011 by Jackie

Chemistry
How many grams of KOH must be dissolved in one litre of solution to give it a pH value of 12?
June 29, 2011 by Sahil

chemistry
How many grams of acetic acid (MW = 60 g/mol, pKa=4.75) are needed to change 1000 L of water with a pH of 11 to a pH of 5.5?
July 8, 2011 by Kate

Chemistry
How many grams of hydrogen can be produced by the electrolysis of water with a current of 0.290 A running for 5.00 min?
August 17, 2011 by Heidi

Chemistry
A 1-ounce serving of Cheetos has 2.90 102 mg of sodium. What is this mass equivalent to in units of grams?
September 6, 2011 by Shelley

chemistry
how many grams of MgCl2 would you dissolve in 650mls of water to make a 0.45M solution?
September 8, 2011 by marie

chemistry
How many grams of K3PO4 would be needed to prepare a 1.73 M solution in a total volume of 427 mL?
October 12, 2011 by Lauren

chemistry
How many grams of K3PO4 would be needed to prepare a 1.73 M solution in a total volume of 427 mL?
October 12, 2011 by Lauren

chemistry
How many grams of LiH are needed to fill a 3.3 L life belt with hydrogen gas at 0.93 atm and 28.5C?
October 17, 2011 by Sven

chemistry
Calculate the number of grams of oxygen required to convert 58.0g of glucose to CO2 and H2O?
October 17, 2011 by Ginger

Chemistry 121
How many grams of KCl would be produced from the complete decomposition of 2.75g of KClO3?
November 3, 2011 by Tim

chemistry
How many grams of lithium nitrate, LiNO3, are required to prepare 3.00 102 mL of 2.00 10−1 M solution?
December 6, 2011 by kathy

Chemistry
3)How many grams of sodium chloride do you need to weigh out to prepare 1.4L of 0.9% NaCL solution?
December 6, 2011 by Daniel

Principles of Tech
how Many grams of NH4CL can be dissolved in 100 mls of water at 70 degress celesis?
February 2, 2012 by Modesty

Chemistry
What is the mass of a solution that has a volume of 0.100L and a density of 1.07g/ml. Find in grams and In kilograms.
February 12, 2012 by Deb

chemistry
how many grams of magnesium are required to liberate 250 cm3 of Hydrogen gas from HCL
April 17, 2012 by Allen

chemistry
how many grams of c2h6o contain the same number of oxygen atoms as 0.75 mol of h2o?
June 18, 2012 by Amanda

Chemistry
how many grams if sulfur must be dissolved into 1L of water to make a 2 molar solution?
August 28, 2012 by taylor

physical science
what is the density of a peice of wood that has a mass of 25.0 grams and a volume of 29.4cm cubes?
September 13, 2012 by sierra

Chemistry
What mass of electrons would be required to just neutralize the charge of 2.5 grams of protons?
September 22, 2012 by Kaycee

chemistry
what is the minimum temperature needed to dissolve 60 grams of K2CR2O7 in 100 milliliters of water?
September 25, 2012 by Anonymous

chemistry
what is the minimum temperature needed to dissolve 60 grams of K2CR2O7 in 100 milliliters of water?
September 25, 2012 by Anonymous

chemistry
How much HCl 9in grams) is needed to prepare 546 mL of solution with a pOH of 10.00 at 25?
October 17, 2012 by aliceallyx3

Science
How much heat must be removed from 500 grams of water at 0C to form ice at 0C?
October 22, 2012 by Michael

chemistry
WHAT IS THE VOLUME IN MILLILITERS OF 0.100 SULFURIC ACID CONTAINING 0.949 GRAMS H2SO4
October 23, 2012 by ROBERT

chemistry
If 0.500 mol NaN3 react, what mass in grams of nitrogen would result?
October 23, 2012 by Ariana

Chemistry
How many grams of H2SO4 will be needed to react with 69.3gof NaOH? Can you list steps so I can understand this? Thanks
October 24, 2012 by Colleen

CHM111
Mg3N2(s)+6H2O(l) to 3Mg(OH)2(s)+2NH2(g)how many grams of H2O are needed to producce 150g of Mg(OH)2?
November 11, 2012 by Anonymous

chemistry
50 ml of Argon is collected at 60.0 degree C and 820.0 torr how much this sample weigh in grams?
November 24, 2012 by Andrew78

chemistry
how do i find the grams of potassium chloride per 100g of water in the saturated solution
November 27, 2012 by sam

Chemistry
What volume a sample of 67.0 grams of nitrogen gas (N2)will occupy at -25degrees C and 3 atm pressure?
December 2, 2012 by malina

Chemistry
if 20.00 grams of NaOH are diluted in enough water to make 1.00 liter, what is the molarity of the solution?
December 5, 2012 by Anonymous

pharmacy math
hiow many grams of 2% silver nitrate ointment will deliver 1 g of the active ingredient?
December 7, 2012 by cleondra

CHEM
How many grams of sodium chloride are required to prepare 1.00 liter of a 1.00M NaCl solution?
February 7, 2013 by Lisa

CHEM
How many grams of magnesium chloride are needed to prepare 100ml of a 0.325 M MgCl2 solution?
February 7, 2013 by Lisa

Chemistry
How many grams of HCl need to be dissolved in 0.5L of water to prepare a solution of pH 1.5? Does anybody know how to work this out? Thanks :)
February 13, 2013 by Matt

Chemistry
How many grams of HCl need to be dissolved in 0.5L of water to prepare a solution of pH 1.5? Does anybody know how to work this out? Thanks :)
February 13, 2013 by Matt

chemistry
how many grams of copper can be heated from 21.5 c to 35.4 c by the heat energy released when 245 g of aluminum cools from 80.5 c to 49.8 c
February 20, 2013 by Kevbot

chemistry
How many grams of ammonium fluoride are required to neutralize 972 'm of 0.00327 M sulfuric acid
February 27, 2013 by caleb

chemistry
How many grams of Na2CO3 should be mixed with 50.00g of NaHCO3 to produce 2000mL of buffer with pH=10?
March 9, 2013 by Ashley

Physical Science
How do you calculate the number of grams of ice at 32 degrees celsius that can be melted by 1g of steam?
March 11, 2013 by Bella

math
six hundred and thirty miligrams is equal to how many grams? a) 0.063 g b) 0.63 g c)63 g d) 630,000 g
March 12, 2013 by mary

Chemistry
How much energy would be released when 675 grams of steam is condensed to water
April 11, 2013 by Ashley

Organic Chemistry
A student dehydrated 12 grams of 2-methylcyclohexene with 85% H3PO4. What are the theoretical and percent yields?
April 22, 2013 by Josh

Organic Chemistry
A student dehydrated 12 grams of 2-methylcyclohexene with 85% H3PO4. What are the theoretical and percent yields?
April 22, 2013 by Josh

Chemistry
Calculate the solubility of CuSO4 5H2O at 0 C in grams of solute per 100 g water.
April 30, 2013 by Breanna

Chemistry
Calculate the solubility of CuSO4 5H2O at 0 C in grams of solute per 100 g water.
April 30, 2013 by Breanna

physics
2. Determine the theoretical yield of aspirin if you started with 2.500 grams of salicylic acid?
May 3, 2013 by Anonymous

chemistry
How many grams of carbon dioxide will form if 4.4 g of propane reacts with 16.0 g of oxygen producing 7.2 g of water?
May 20, 2013 by Ron

Chemistry
3.00 g of Zn is allow to react with 1.75 g CuSO4 . calculate how many grams of Zn will remain after the reaction is complete ?
August 11, 2013 by kate

Chemistry
OMG! HELP! 1. How many grams of CaCl2 would be required to produce a 3.5 M (molar) solution with a volume of 2.0 L?
August 17, 2013 by Victoria

Chemistry
How many grams of sodium sulphate (mol. wt. 142) are required to make 1.2 liters of 0.5N solution
September 19, 2013 by Frank

Chemistry
Calculate the mass in grams of 0.0086 mol of xenon (show the steps please)
November 6, 2013 by Anonymous

chemistry
What is the mass of a small car in grams if its de Broglie wavelength is 4.198e-38 m when it is traveling at a velocity of 11.84 m/s ?
November 10, 2013 by arshi

Chemistry
What is the mass of a fly in grams if its de Broglie wavelength is 1.545e-31 m when it is traveling at a velocity of 3.605 m/s
November 10, 2013 by Andy

Business and Economics
The weights (in grams) of the contents of several small bottles are 8, 4, 3, 6, 7, 1 and 5. What is the sample variance? 5.81 4.33 5.67 2.22
March 27, 2014 by Anonymous

Chem
Please help how to set up How many grams of CuSO4 * 5H2O are needed to prepare 100.ml of a 0.10 M solution?
April 29, 2014 by Nicholas

Chemistry
Calculate the Molarity of the solution that contains 43.5 grams of K2SO4 in a total volume of 250ml.
May 7, 2014 by Felicia

Chemistry
A solution of KCI is saturated at 50 degrees C. How many grams of solute are dissolved in 100g of water?
June 19, 2014 by Anonymous

Chem
How much methane, in grams, must be burned to release 542 kJ of heat? H=-802kJ
June 26, 2014 by Luke

Chemistry
5.0 grams of solid Ce2(SO4)3 was added to 100 mL of water. What is the total mass?
September 25, 2014 by Luc

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