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December 10, 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: 69,588

chemistry
calculate the number of grams atom and gram molecules in 25.4milligrams of iodine ?
February 24, 2011 by larisque

Chemistry
how many grams of potassium dichromate are needed to make 250 mL of a 0.75 molar solution?
March 3, 2011 by Bobbi

Chemistry
how many grams of potassium dichromate are needed to make 250 mL of a 0.75 molar solution?
March 3, 2011 by Bobbi

Chemistry
How many grams of CH3COOH are present in 2.5^3 of vinegar. Also, what is the formula needed to solve? Thanks!
March 5, 2011 by Steven

chemistry
How many grams of water should you add to 31.0g of sucrose,C12H22O11, to get a 0.855 m solution?
March 9, 2011 by kyle

chemistry
how many molecules of water in order to produce 37 grams of oxgen? give me the Formula
March 10, 2011 by Russel

Organic Chemistry
How many grams of 2-propanol are expected from the complete reaction of 111 g of propene?
March 15, 2011 by Samantha

chemistry
what mass in grams of sodium nitrate is needed to make 85.o ml of a 0.2500 m solution
March 15, 2011 by andrew b

Chem
What is the percent by mass of a solution if 45 grams of acetic acid is added to 90 g of H2O? Thanks.
March 20, 2011 by Jenny

Chemistry
If 290 Liters of carbon dioxide forms, how many grams of nitroglycerine exploded?
April 14, 2011 by Syd

Chemistry
how many grams of solid KOH is needed to neutralize 1.00 L of 0.250 M HNO3 solution?
April 18, 2011 by Helena

chemistry
How many liters of hydrogen will be produced by the decomposition of 59 grams of dihydrogen dioxide at STP?
April 19, 2011 by lawegfvsefwWA

chemistry
What is the pH of a solution made by adding grams of NH4Cl, to 550 mL of 0.205 M NaOH?
April 20, 2011 by Tom

10th grade chemistry
How many grams of CuSO4.5H2O are needed to prepare 100. mL of a 0.to M
April 26, 2011 by Angelica Martinez

chemistry
how many grams of glucose C6H12O6 would you need to make 250 mL of 1.0 M solution?
April 28, 2011 by amber

chem
How many grams of ethylene glycol, HOCH2CH2OH, are present in 5.6 gallons of a 4.81 m solution with a density of 1.98 g/mL? g
May 2, 2011 by jan

Chemistry
How many grams of ethylene glycol, HOCH2CH2OH, are present in 5.3 gallons of a 5.22 m solution with a density of 1.83 g/mL?
May 9, 2011 by teena

Chemistry
If you used exactly 0.50 grams of salicylic acid, what was the theoretical yield of ester?
May 20, 2011 by Gerardo Reyes

Chemistry
If you used exactly 0.50 grams of salicylic acid, what was the theoretical yield of ester?
May 20, 2011 by Gerardo Reyes

chemistry
how much heat is needed to bring 90.0 grams of aluminum from 25 to 75 degrees celcius?
June 16, 2011 by debbie

chemistry
How many grams of water will be produced, if you used 60mL H2SO4 and 1.886 g CuO?
June 22, 2011 by Kim

chemistry
How many kilojoules of heat energy does it take to change the temperature of 50 grams of water from 20 C to 24 C?
July 14, 2011 by g

science
a sample of metal has a mass of 94.5 grams and a volume of 7 cubic centimeters. what is its density?
September 12, 2011 by zeke

chemistry
How many grams of Cu(OH)2 can be produced from the reaction of 0.500g Cu with 30.0 mL of 3.0M NaOH? Which reactant is the limiting reagent?
September 14, 2011 by angie

cerritos
how many grams of sodium choloride is needed to prepare 600ml of 9% saline solution?
September 18, 2011 by maribel

science
A sample of metal has a mass of 94.5 grams and a volume of 7 civic centimeters. What is its density?
September 18, 2011 by sarah

chemistry
Calculate the grams of substance required to prepare 250mL of 5%(wt/vol) NaNO3
September 22, 2011 by desperate for help

Chemistry
What volume will 12.0 grams fo neon gas occupy at 25 degress C. and a pressure of 0.520atm?
September 25, 2011 by Maryland

Chemistry
how to you calculate the partition coefficient of benzoic acid .13 grams in a 1.6 mL CH2Cl2 and 1.6 mL water?
September 26, 2011 by Paige

chemistry
What is the mass of 1.2 grams of oxygen if it occupies a volume of 500 cubic centimeters at s.t.p?
September 27, 2011 by Chris

chemistry
Give the mass in grams of diphosphorus pentoxide that contains 2.0 x 10^(24) oxygen atoms.
October 4, 2011 by miriam

chemistry
How many grams of potassium permangate are needed to decolorized 1g of 2-pentene in basic solution
October 4, 2011 by john

Chemistry
how many grams of solid iodine are produced by the decompostion of 2.1 g of hydrogen iodide gas?
November 12, 2011 by Taylor

CBSE
How much heat must be removed to change 75.0 grams of water at 25.0 C to ice at -35.0 C?
April 29, 2012 by tulasi

science
How many grams of copper sulfate is needed to make 1125L of 25 ppm solution
January 2, 2012 by tracey

Chemistry
A sample of 50.0 mL if sulfuric acid that has a density of 1.84 g/mL would have a mass of how many grams?
February 6, 2012 by Mike

chemistry
if we combust 4.23 x 10^24 molecules of propane how many grams of carbon dioxide and water you will produce ?
February 7, 2012 by Summer

Chemistry
If water is synthesized how much hydrogen would be needed to make 10.0 grams?
February 10, 2012 by Cathy

chemistry
Calculate the grams of K2CO3 required to prepare 546.0 mL of a 0.789 g/L K+ solution.
February 15, 2012 by donald

chemistry
Calculate the concentration in ppm if 8 grams of CaCl2 is dissolved in 250 ml of water.
February 22, 2012 by Emmee

Chemistry
How many grams of carbon dioxide are produced in C3H8+5O2 -> 3CO2+4H2O
February 24, 2012 by Lily

Chemistry
If the percent yield was 81.5%, how many grams of aluminum were used to prepare 20.0 g of potassium alum?
February 29, 2012 by Cynthia

chem
calculate the mass in grams of oxygen atoms in 0.25 mol fluoroacetic acid
March 28, 2012 by lisa

Chemistry
How many grams of H2(g) can theoretically be produced from a 5-g sample of magnesium metal and excess HCl(aq)?
April 2, 2012 by Polly

chemistry
how many grams of NaOH would be needed to make 896mL of a 139 M solution
April 30, 2012 by Randy

Wastewater treatment
What is the molarity of 24.5 grams of sulfuric acid dissolved in a liter of water?
May 4, 2012 by George

chemistry
How many calories will be needed to melt that 50 grams of snow (report as 1 significant figure)?
May 14, 2012 by bea

Chemistry
Calculate the grams of solute required to make 2500mL of 90% saline solution?
May 17, 2012 by Morgan

chemistry
determine the amount in grams of H2SO4 required to make 3.0L of 1.15M Nacl
May 18, 2012 by ashia

Chemistry
I am stuck on this question: what mass of KCl in grams when 2.00 lbs KC10 3 is decomposed?
July 14, 2012 by kelly

chem
How many grams of SO2 are needed to make 250 ml of 0.750 molar solution?
August 28, 2012 by Karen

Chemistry
How many grams of SO3 are needed to make 250 ml of 0.750 molar solution?
August 28, 2012 by Karen

Chemistry
What is the solubility of benzoic acid in room temperature water. Report this in grams/L.
September 4, 2012 by Cassie

PHYSICAL SCIENCE
An object has a length of 5.0 cm, a height of 3.0 cm and a width of 15.0 cm. It has a mass of 24 grams. What is its density
September 11, 2012 by DEOCRIOUs

Chemistry
Calculate the number of grams necessary of C6H12O6 to make 1.00 ml of 0.025 M glucose.
September 14, 2012 by Anonymous

science
An object has a mass of 10 grams and a volume of 5cm3 calculate the objects density
September 24, 2012 by santriese

Chemistry
A chemist requires 0.780 mol Na2CO3 for a reaction. How many grams does this correspond to?
October 1, 2012 by Tisha

chemistry
I want to make a 3% potassium sulphate solution. How many grams or mg I need per 100 ml
October 31, 2012 by Leo

chemistry
Calculate the grams of solute needed to prepare each of the following. 55.0 ml of a 6.50 hcl solution.
November 2, 2012 by mary

chemistry
Calculate the mass in grams of 2.50 mol iron(II) hydroxide. A. 29.5 g Fe(OH)2 B. 184.5 g Fe(OH)2 C. 225 g Fe(OH)2 D. 3.38 x 10-2 g Fe(OH)2 C
November 11, 2012 by Cathy

chemistry
How many grams of solute are required to prepare 500ml of 0.5M urea solution,CO(NH2)2?
November 17, 2012 by miah

Chemistry
How many hours are required for the deposition of 15.0 grams of Al from molten AlCl3 by a current of 15.0 amps?
December 3, 2012 by Joe

science
Will a plastic block that has sides that measure 9 cm and its mass is 19.2 grams float on water?
January 17, 2013 by eric

chemistry
23 grams of NaOH is dissolved in 1.5L of water, find; a)Concentration of the solution b)pOH c)pH
January 20, 2013 by Patrick

Science
If you are given a sample containg 1.204 x 10 24 molecules of NaCl, what is its weight in grams?
February 5, 2013 by DeAnna

chemistry
How many grams of rubidium chloride are present in 125.0 mL of a 1.75M RbCl solution?
February 7, 2013 by Chris

chemistry
How many grams of copper can be dissolved by 20.0 mL of a 69.6% (by mass) nitric acid solution that has a density of 1.41 g/mL?
February 8, 2013 by G.A

pharmacy math
How many grams of 2% silver nitrate ointment will deliver 1 g of the active ingredient
February 15, 2013 by cdr

math
Find the density of an object which has a mass of 360 grams and fills a volume of 36 mL.
February 19, 2013 by heather

Chemistry
Calculate the volume in liters of the gas (O2) at STP if it was massed at 6.75 x 105 grams.
February 24, 2013 by tif

chemistry
If you are given 718 grams of lead (iv) oxalate, how many atoms of oxygen do you have?
February 28, 2013 by Anthony

chemistry
1040 grams of chlorine gas at STP would have what volume?
February 28, 2013 by Anthony

science
A substance has a mass of 12.5 grams and a volume of 9.8 ml.Will the object sink or float in water?
March 1, 2013 by marshall

Chem
how many grams of KMnO4 should be weighed out to give 0.100 mole?
March 9, 2013 by Jessica

Chemistry
How many grams of Na3PO4 are needed to produce 250mL solution that has an Na concentration of 1.04M?
March 9, 2013 by sally

Chem
When 20.0 g C2H6 and 60.0 g O2 react to form CO2 and H2O, how many grams of water are formed?
March 14, 2013 by Jake

Chemistry
When 20.0 g C2H6 and 60.0 g O2 react to form CO2 and H2O, how many grams of water are formed?
March 14, 2013 by pls help

chemistry
How do you sole this problem: how many grams of CaCl2 are needed to prepare 7.25 L of .015M solution?
March 15, 2013 by Brittany jones

chemistry
how many grams of Na2SO4 can be produced by the reaction of 250g of NaOH with sufficient H2SO4?
March 18, 2013 by Marisela

Chemistry
How many grams of C6H12O6 must be added to 0.750 kg of water to make a 1.25 m solution?
March 20, 2013 by Samantha

chemistry
what is the total heat lost if you have 8 grams of copper and the temperature changed from 43°C to 36°C
March 24, 2013 by grace

Chemistry
How many grams of NaF should be added to 612 ml of 0.4 M HF (Ka = 6.8 x 10-4) to produce a buffer solution where pH = 3.10?
April 12, 2013 by Ashley

Chemistry
How many grams of CaCl2 would be required to produce a 3.5M(molar) solution with a volume of 2.0L?
April 27, 2013 by Sunny

science
How many grams of glucose C6H12O6 would you need to make 250 mL of 1.0M solution?
May 29, 2013 by kevin

Chemistry
If you are making 230.0 mL of 2.70% (m/m) CuSO45 H2O, how many grams of the solute should you use?
September 11, 2013 by Jade

Math
Ethan is making 12 dozen cookies.The dough has a mass of 2.2kg.How many grams is that?
December 11, 2013 by Joshua Holt

Integrated Science
What is he final temperature after 80.0 calories is absorbed by 10.0 grams of water at 25.0 *C?
February 5, 2014 by Anonymous

chemistry
how much energy is released to the environment by 50.0 grams of condensing water vapor?
February 25, 2014 by khasan

Chemistry
How many milliliters of 0.242 M NaOH are required to exactly titrate 18.0 grams of H2C2O4?
March 26, 2014 by Amanda

chemistry
How many grams of Li2O must be carried on board to remove 85.0kg of water?
March 31, 2014 by Anonymous

chemistry
PLS HELP ME AND THANK YOU:) What is the molarity if 2.18 grams of CO(NO3)2.6H2O dissolved in 50.00ml of solution?
April 6, 2014 by may

chemistry
How many calories will 45 grams of water release when it changes fom 85c to 30c?
April 17, 2014 by mark

Chemistry
How many grams of acetic anhydride are needed to react with 3.82g of salicylic acid?
April 23, 2014 by Nicole

chemistry
Upon heating 125g MgSO4 • 7 H2O: a) how many grams of water can be obtained?
May 13, 2014 by mario

college chem
125g MgSO4 • 7 H2O how many grams of anhydrous compound can be obtained
May 13, 2014 by mario

chemistry
If you mix 50 grams of NaHCO3 in 2.0 liters of water, calculate molarity & molality
June 4, 2014 by Noah

math
A 5 kg bag of apple costs R65. What is the cost of 500 grams of apples
July 28, 2014 by Katlego

algebra
1 cm to the third of aluminum weighs 2.7 grams if a sheet is 0.003 8 find the weight
September 27, 2014 by joyce

science
how many grams of CO2 (g) are there in 82.0ml of the gas at 0.916 atm and 30 degrees ceksius
November 2, 2014 by sherry

Chemistry
How many grams of oxygen gas must react to give 2.80g of ZnO?
November 25, 2014 by McKenzie

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