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August 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: 67,518

adult education
How many moles of HCL are in 50.0 mL of 0.600 M HCl?
July 20, 2010 by santhosh

AP Chemistry
what is the number of moles of HCl in 50mL of 1.0M HCl
December 1, 2010 by Sam

chemistry
How many moles of water, H2O, are present in 75.0 g H2O?
December 15, 2010 by t

Chemistry
How many moles of NaOH are present in 30.1 mL of 0.140 M NaOH?
March 13, 2011 by Eric

chemistry
How many atoms of sulfur are present in 32.0 moles of sulfur? why?
April 28, 2011 by Jasmin

chemisry
If you have 32g of NH3 how many moles of NH3 is that?
June 19, 2011 by kelly

Chemistry
how many moles of acid are present in 50 mL of acetic acid?
November 1, 2011 by Anonymous

chemistry
how many moles of NaCl are contained in 1.9L of a 1.7M NaCl solution
March 1, 2012 by nakisha

Chem
1.75 x 10^25 selenium atoms contains how many moles of selenium?
July 8, 2012 by Lu

chemestry 130
6.00 moles H2S*6.02*10^23/1 mole H2S
November 13, 2012 by Anonymous

Chemistry
How many moles of NaCl are in 2.00mL of 1.00M NaCl?
March 21, 2013 by Alice

Chemistry
How many moles of ammonia are in 1.20E25 molecules of ammonia.
October 23, 2014 by Anon

Chemistry
If the same solute is dissolved in two different solvents to the same concentration and the same temperature, the osmotic pressure ____ My answer & reason: solution A has a smaller molecular weight and therefore, a larger Molarity and higher osmotic pressure (pi=iMRT) ...
February 25, 2009 by Anonymous

lab
Number of moles of oxygen gas produced from the complete catalyzed decomposition of 6.80ml sample of a 3.5% solution. Density of the 3.5% solution of H2O2 is 1.01g/ml Let's find out what you know about this and work from there. Show your calculations to the point that you are ...
September 25, 2006 by Melba

chemistry
Can someone please help me with this one? Explain which of the following statements does not make sense: a. a role of masking tape weighs 350 micrograms b. 92 cm cubed of water was poured onto the table c. the room covers an area of 200 m cubed I was thinking it was b because ...
October 21, 2006 by Gloria

math help
Use the following table to answer the questions. (Give your answers correct to two decimal places.) x 1 1 3 3 5 5 7 7 9 9 y 3 2 6 1 3 3 3 2 5 3 (a) Find the equation of the line of best fit. y hat = + x (ii) Graph this equation on a scatter diagram. (Do this on paper. Your ...
June 26, 2013 by Tracy

chemistry
So I did an experiment at school in which we had to form 2.00 grams of precipitate by mixing 2 hydrated compounds. So for the products, obviously one of it is water, and the other 2 products are compounds, one of which, is insoluble. So when I measured the amount of ...
September 15, 2013 by K

History
Ms. Sue can you please check these?!? 1. The leaders of the Virginia Company recruited more settlers and reorganized the colony. They allowed the new settlers to own land. Those settlers began to grow tobacco, a crop they learned about from the Indians. By 1612, Virginians ...
October 16, 2015 by I NEED HELP MS. SUE

More french
Directions: Complete the sentences, choosing the correct possessive adjective. 1. (Mon, Ma, Mes) Tu as ------- livre de maths. Answer: Mon 2. (Notre, Nos) C'est ------- maison. Answer: Notre 3. (Leur, Leurs) Voila -------- enfant. Answer: Leur 4. (Ton, Ta, Tes) Ou est...
January 23, 2009 by Megan

chem please help
when the oxide of arsnic is heated it sublimes and becomes a gas at 650oc and a pressure of 690mmHg the 0.927g sample of the oxide has a volume of 194cm calculate the volume in cm3 that the sample would have at 0oc and 760mmHg(ie at STP)if it were to remain gaseous down to ...
January 30, 2007 by john

Chemistry
how many moles of hydrogen chloride would be needed to react completely with 15g of barium carbonate equation is given: BaCO3 + 2HCl to BaCl2 + H2O + CO2
March 21, 2010 by Johnny

Physics
A diesel engine takes in 0.5 moles of air at 20.0C and at atmospheric pressure. It then compresses it adiabatically to one twentieth of its original volume. which means n = 0.5 T = 20 and Vfinal = V1/20 but where do I go from here? can anyone help?
August 3, 2010 by Physics

chemistry
What volume of nitrogen at 215 degress celcius and 715 mmHg would be required to react with .100 moles of hydrogen to produce ammonia? N2+3H2--> 2NH3
April 16, 2012 by Anonymous

chemistry
What volume of nitrogen at 215 degress celcius and 715 mmHg would be required to react with .100 moles of hydrogen to produce ammonia? N2+3H2--> 2NH3
April 16, 2012 by Anonymous

chemistry
You have 310. mL of a 5.7510-5 M Pb(NO3)2 solution. How many moles of NaCl must be added to precipitate a solid? The Ksp of PbCl2 is 1.610-5. I'm not sure where to go after I make the ICE table
December 2, 2015 by matt

Chemistry
How many grams of calcium carbonate are consumed per 500 g of sulfur (IV) oxide? in what reaction?
May 30, 2007 by LaShanda

Human Biology
I have a value of energy for a meal in kJ. How do I convert this into grams please?
January 10, 2008 by Sarah

chem
delta T = Kf*molality Plug in 5.00 C for delta T, 1.86 for Kf and calculate molality. Then molality x kg solvent x molar mass = grams. You know molality, kg solvent, and molar mass. Calculate grams. molar mass? where did u got the molar mass from ?
February 5, 2008 by Mark

Chemistry
How many grams of KF do you need to weigh in order to prepare 500. mL of solution with a concentration of 0.250 M?
April 29, 2008 by Kiley

Biology 2
What is the number of calories needed to change the temperature of 50.0 grams of water 15.0 Celsius degrees?
October 16, 2008 by Jay

3rd grade
Is a nickel 6 grams or 6 kilograms? A watch 25 g or 25 kg? a dog 22 g or 22 kg? A backpack 4 g or 4 kg? A pencil 6 g or 6 kg? radio 2 g or 2 kg?
February 24, 2009 by bryce

chem
If 60.0 mL of 0.150 M CaCl2 is added to 50.0 mL of 0.100 M AgNO3, what is the mass in grams of AgCl precipitate?
March 2, 2009 by ash

chemistry
The density of a gas is 2.0 grams per liter at STP. Its molar mass is approximately?
March 5, 2009 by Crystal

Physics
A cube of ice weighing 18 grams sublimes into vapor. How many liters of gas will you get?
May 16, 2009 by Kyle

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

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