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May 31, 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: 66,679

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 28.5°C?
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 0°C to form ice at 0°C?
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

Science
The force of 100dynes acts on a mass of 50 grams for 10 seconds. Find the change in moentum
September 26, 2014 by Jeyanthi

Chemistry/Math
convert 0.01403 grams to ppm please show all step
October 1, 2014 by Hasaan

chemistry
find the mass of water(H2O) needed to react with 150 grams of potassium(K)
October 27, 2014 by Teresa

Chemistry
What is the density, in grams per milliliter, of a salt solution if 210 mL has a mass of 234 g?
October 31, 2014 by Gili

Chemistry
25.0 ml of 0.235 M NiCl2 are combined with 30.0 ml of 2.260 M KOH. How many grams of nickel hydroxide will precipitate?
December 14, 2014 by Anthony

chemistry
how could I figure out how many grams of pure lemon juice (squeezed from lemons) are in 100 ml?
January 8, 2015 by julie

Chemistry
How many grams of water will be produced in the complete combustion of 20.0g of Octane, C8H18(g) and 50.0g Oxygen gas?
January 13, 2015 by Jefferson

Chemistry
Determine the mass (in grams) of Malonic Acid (C3H4O4) present in 10.0 mL of a 0.200 M solution.
February 1, 2015 by Amanda

SCIENCE
WHAT MASS IN GRAMS OF OXYGEN GAS IS CONTAINED IN C 8.5L TANK AT 32 DEGREE CELSIUS AND 3.23 ATMOSPHERE
March 9, 2015 by FLORA

Chemistry
2zN reacts with O2 to produce 2ZnO, HOW MANY GRAMS OF ZINC OXIDE CAN BE PRODUCED FROM 2.75 G OF OXYGEN?
March 26, 2015 by Ashten

chemistry
how much NaNO3 must be added to saturate 100.0 grams of water at 20 degrees
March 30, 2015 by Victoria

chemistry
n2+3I2>2NI3 if you have 28g of N2how many grams of NI3 will you be able to make?
March 30, 2015 by Nicole

Chem
How many grams of ice at 0°C and 101.3 kPa (standard pressure) could be melted by the addition of 0.80 kJ of heat?
March 31, 2015 by Anonymous

chemistry
how many grams of CaCI would be required to produce a 85M (molar) solution with a volume of 2.0L
April 9, 2015 by Anonymous

chemistry
how many grams of NaOH pallets containing 12% moisture are requiredto prepared 60 ltr of 0.5N solution
May 19, 2015 by shweta

Chemistry
(a) How many grams of KNO3 are needed to make 430 mL of a solution that is to contain 2.9 mg/mL of potassium ion?
June 3, 2015 by Mark

chemistry
*.How many grams of KCl would you need to add to 2 liters of water to make a .50 M solution?
June 21, 2015 by tApAsh

New delhi
Find molarity of 20%aqous soluion of amino . the density of the solution is 1.4 grams/ml
July 21, 2015 by Tk

chemistry
How many grams of lithium hydroxide are needed to remove 920 g of carbon dioxide in the air
August 27, 2015 by Katherine

Science
How many grams should be to taken to make 0.5 molar sodium bicarbonate in 100ml soiution.
September 16, 2015 by Manjunath s

chemistry
how much oxygen gas wil be produce from the decomosition of 50 grams of pottasium chlorate
October 12, 2015 by JC

chemistry
If 5.00 g of PCl5 is reacted with excess water, how many grams of H3PO4 and HCl would be produced?
October 20, 2015 by tricia

Chemistry
How many nanoliters of a 1.00 molar solution would be required to react with 5.00 grams of barium nitrate?
October 24, 2015 by Frank

VCU
Physical Sciences: what is the density of a piece of wood that has a mass of 25.0 grams and a volume of 29.4 cm3?
November 9, 2015 by Debbie

Chemistry
how much heat is required to warm 225 grams of water from -50c to 200 c
November 9, 2015 by Bob

Chemistry
If you want to prepare 2.0 liters of a .25 M solution of NH4Cl, how many grams of the salt should you weigh out?
November 29, 2015 by J

Physical Science
Which SI unit is used to measure length? A. meters B. newtons C. grams D. liters
February 9, 2016 by Sally

Chemistry
How many grams of salt can be made from a 5-gram sample of sodium combined with unlimited bromine?
February 15, 2016 by Anonymous

Math
A piece of cable 85 cm long weighs 52 grams. What will a 10cm length of th same weigh?
March 3, 2016 by Kimberly

Chemistry
How many grams of potassium nitrate, KNO3 are required to make 250 mL solution with a molarity of 0.40 M?
March 21, 2016 by Veronica

Chemistry
Calculate the solubility (in grams per 1.00×10^2 mL of solution) of magnesium hydroxide in pure water.
March 28, 2016 by Salma

Chemistry
How much NACl do i need to dissolve in grams to make 0.9%solution of 0.25l saline
April 1, 2016 by Kasey

chemestry
Given the following chemical equation, determine how many grams of N2 are produced by 9.72 g of H2O2 and 6.53 g of N2H4
April 13, 2016 by lex

Chemistry
To completely react 17g of barium hydroxide, how many grams of hydrochloric acid is needed?
April 19, 2016 by Ellen

science
Calculate how many grams of NaOH must be added to 75.0 ml of H2SO4 1,000m to get a tampon that has pH = 1,920
May 1, 2016 by frankscience

chemistry
If 45L of methane undergoes complete combustion at 1.1atm and 95 ° F how many grams of each product are formed?
May 17, 2016 by Anonymous

Chemistry
The mass of lead bromide that is dissolved in 250 mL of a saturated solution is____ grams.
May 27, 2016 by Kat

math
You have a box which contains only red marbles and blue marbles. The mass of one red marble is 16 grams, while the mass of one blue marble is 20 grams. If the box contains 21 red marbles and 18 blue marbles, what is the total mass of the marbles in the box?
September 5, 2014 by Abdul

Chem
Nitric acid is produced commercially by the Ostwald process, represented by the following equations: 4NH3(g) + 5O2(g) > 4NO(g) + 6H2O(g) 2NO(g) + O2(g) > 2NO2 (g) 3NO2(g) + H2O(l) > 2HNO3(aq) + NO(g) What mass of NH3 must be used to produce 1.0x10^6 kg HNO3 by the ...
January 26, 2007 by Shawn

French
Part 3: Encore des questions: Faites des questions directes avec les phraes de l'activité 10 (from previous part 2 post) 1. ----------- intéresse Paul? Answer: Qu'est-ce qu' 2. ----------- lui est arrivé? Answer: Qu'est-ce qui 3. --------- il a compris? Answer: Qu'est-ce qu' 4...
September 19, 2010 by Missy

Chemistry
Hi DrBob, Sorry about that, I wasn't very clear! Can someone please help me complete these calculations for my lab; I am having some trouble. A. Standardization of Na2S2O3 -Mass of KIO3 in 100mL = 0.09600g -Calculate Molarity of KIO3= ? Please check: 0.09600g/(214.0g/mol)=4....
March 6, 2011 by Bryant

Mathis
Fiona is dissatisfied with her current weekly salary. If she received a raise of $0.50 per hour and worked an additional 4 hours each week her weekly salary would then be $500. What is Fiona current salary a) $380 b)$400 c)$420 d)440 e) not e ought information I put d can you ...
August 21, 2013 by Roger

Chemistry
Benzene has a vapor pressure of 100.0 Torr at 26°C. A nonvolatile, nonelectrolyte compound was added to 0.309 mol benzene at 26°C and the vapor pressure of the benzene in the solution decreased to 60.0 Torr. What amount (in moles) of solute molecules were added to the benzene...
February 15, 2010 by Angelica

Chemistry
"How many moles of oxygen are required to react completely with 5 mol C(8)H(18)?" 2C(8)H(18) + 25O(2) => 16CO(2) + 18 H(2)O In the question, how do I know if "oxygen" means the molecule O(2) or the element O?
September 21, 2010 by Gray

Chemistry
What minimum number of moles of NH4Cl must be added to 1.0 liter of solution that is 0.10 M in Mg(NO3)2 and 1.0 M in NH3 to prevent precipitation of Mg(No3)2?
October 24, 2010 by Ana

chemistry
A piece of iron(10)moles was dissolved in contrated Hcl.the reaction was form H2 and Fecl2. determine the amout of Fecl2 formed.
October 26, 2010 by tamaica

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