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

74,121 results, page 80

chemistry

How many grams of magnesium iodide are needed to make 125 ml of a 5M solution

Chemistry

How many grams of Mg are needed to react completely with 3.80 L of a 2.50 M HF solution? Mg + 2HF --> MgF^2 + H^2

Chemistry

What is the mass of S2Cl2 if 342 grams of S8 is reacted with an excess of Cl2?

Chemistry

If 100 grams of NI3 is detonated, calculate the Gram of N2 and I2 formed.

chemistry

If Tums is added to 55.0 {\rm mL} of 0.750 {\rm M}{\rm HCl}, how many grams of {\rm CO}_{2} gas are produced?

Chemistry

What mass of NaCl can be dissolved in 7.50 X 10 (to the 2nd)grams of water at 25 degrees C?

chemistry

how do you calculate grams of KCL in 3 litres of a 5% solution? (scientific notation)

Chemistry

How many grams of Mg are needed to react completely with 3.80 L of a 2.50 M HF solution? Mg + 2HF MgF2 + H2

Chem 10

How many grams of NaOH would be needed to react with 199g of HCl?

Chemistry

How many milliliters of 1.237 M HCl are required to react with 27.02 grams of MgCO3 ?

chemistry 101

How many grams of oxygen are in 40.1 g of calcium hydroxide? options: 17.3 g 8.64 g 20.1 g 0.541 g 11.2 g

Chemistry

What is the molarity of a solution containing 40 grams of NaOH in 100 ml of soution

chemistry

How many grams of KMnO4 should be used to prepare 2.00 L of a 0.500M solution?

chemistry

How many grams of CuCl2 are required to make 75 mLof a 0.20M solution?

chemistry

Calculate the number of grams of Fe found when 0.400kg of Fe2O3 reacts

chemistry

How many grams of Al(NO3)3 are needed to prepare 25.0 mL of a 0.750 M aqueous solution.

Chemistry

What volume will 12.0 grams of neon gas occupy at 25 degrees C. and 3.05 atmospheres?

chemistry

How many grams of water should you add to 33.0 of sucrose, , to get a 0.795 solution?

Science

if 1.2 g of sodium metal is reacted with 2 mL of H20, how many grams of NaOH will be produced

science

If a cocolate bar has a mass of 5 grams and a volume of 10cm3 what is its density

chem

what is the concentration of a solution with 5 grams of HBr dissolved in 2 liters of water?

Science

how much heat is required to change 5 grams of iron to 10c

Chemistry

Calculate the mass ( in grams) of one mole of methane molecules (to .01 g)

Chemistry

How many grams of C4H10O can be melted by 2.0 x 103 J? Given ÄHfus = 7.27 kJ/mol

chemistry

How many grams of ammonia can dissolve in 100g of water at 22 degrees celsius?

chemistry

If 20.50 grams of calcium chlorate decompose what mass of each product will form

chemistry

how many grams of potassium chlorate must be used to produce 30.0g of oxygen?

chemistry

how many grams of potassium chlorate must be used to produce 30.0g of oxygen?

chemistry

how many grams of oxygen are needed to create 437 liters of gas?

Chemistry

What is the density of a gasoline sample that has a volume of 13.3 mL abd a mass of 8.86 grams?

AP CHEMISTRY

Calculate the solubility of Mn(OH)2 in GRAMS PER LITER when buffered at each of the following. a)pH 7.4 b)pH 9.2 c) pH 11.5

AP CHEMISTRY

Calculate the solubility of Mn(OH)2 in GRAMS PER LITER when buffered at each of the following. a)pH 7.4 b)pH 9.2 c) pH 11.5

Chemistry

How many grams of water are formed when 250 mL of 2.0 M Mg(OH)2 are neutralized by a solution of HCL ?

chem help

Calculate the number of grams of solute in 250.0 mL of 0.149 M KOH.

Chemistry

How many grams of CaSO4 are present in 320ml of a 0.00810 M solution of this compound?

Biology

How many grams of NaCl do you need to make 150ml of a 0.8M stock solution?

science

what is the density of a piece of wood that has a mass of 85.0 grams and a volume of 100.0 cm 3 ?

chemistry

how many grams of carbon dioxide can be produced by burning 7.04moles of propane

physics

how do you convert 1.75 multiplied 10 to the 6th power grams to ounces? (answers)

math

How much does Jane pay for 1.75 kg of apples at $0.48 per 100 grams?.

Chem

How many grams of CO2 can be produced when 200 g of C5H12 are reacted with 300 g of O2?

Chemistry105

How many grams of NaCI are therein exactely 25.00 mL of a 0.1053 M solution of the salt?

Chem

What is the volume in liters of 48.0 grams of oxygen gas at 0.0 C and a pressure of 760mm Hg?

Chemistry

How many grams of acetic acid must be dissolved to produce 3875 ml with a Ph of 2.9?

Chemistry

How many grams ofPbCl2will dissolve in 2.00 L of O.650M aqueous Pb(N03)2 solution?

chemistry

How many grams of NH2OH are needed to prepare 250mL of a solution with a pH of 9.56? kb=6.6x10^-9

Chemistry

What is the density, in grams per liter, of N subscript 2 gas at STP

Analytical chemisty

How many grams of K2Cr2O7 are required to prepare 500 ml of a 0.13 N solution?

general chemistry

the radius of a chlorine atom is 99 pm and its mass is 5.89 X 10^-23 grams what is the density

Chemistry

If you want to make 75 mL of a 0.015 M solution of B(OH)3 in water, how many grams of B(OH)3 would you need?

Science

How many grams of NH3 can be produced if 105g of NH4OH are completey decomposed?

Chemistry

How many grams of NH3 can be produced if 105g of NH4OH are completey decomposed?

chemistry

how many grams of KClO3 will dissolve in 1 liter of water at 50 degree celisus ?

Chemistry

How many grams of H2SO4 are needed to make a 4.50 m solution in 300 g H2O?

chemistry

Calculate the solubility of Mn(OH)2 in grams per liter when buffered at each of the following. (a) pH 7.7 (b) pH 9.6 (c) pH 11.3

chemsitry

you start with 150.0g of pentane and 500.0L of O2. how many grams of H2O will you make?

Chemistry

Calculate the mass of water that will be produced when 5.0 grams of H2 is reacted with excess O2.

Chemistry

Calculate the mass of water that will be produced when 5.0 grams of H2 is reacted with excess O2.

Chemistry

How many grams of CuSO4 * 5H2O are needed to prepare 100mL of a 0.10 M solution ?

10th grade chemistry

How many grams of kno3 can be dissolved in 100g of h2o at 50°c

chem

How many grams of TiCl4 are needed to produce 17.8 g of titanium? what equation do i use?

chemistry

how many grams of carbon dioxide can be produced when 15.g of oxygen is reacted with 25.g of c2h2

Chemistry

636 grams of Na2CO3(s) are disolved in 3.0 liters of aqueous solution

math

what is the net weight of 36 items that weigh 36 grams each in pounds or ounces

chemistry

what is the concentration of a 250 ml solution that contains 44 grams of magnesium fluoride

chemistry

how many grams of oxygen are required to burn completely 570g of octane?

Chemistry

What is the density of 3.40 Liters of Hydrochloric acid (HCl) that has a mass of 24.5 grams?

chemistry

What mass of nitric acid, in grams, can be made from 113g g of ammonia?

chemistry -lab

what would be the percent yield if 2.2 grams of aspirin is formed?

Chemistry

How many grams of NaCl are contained in 500ml of normal saline solution which is 0.85%(w/v).

chemistry

how many grams of chromium are required to react with 125 mL of 0.75M CuSO4?

chemistry

3H2+N2=2NH3 if 2.70 g of H2 reacts with jugful of N ,how many grams of NH3 is formed?

chemistry

how many grams of sodium oxalate, Na2C2O4, could be obtained from 213 g of C6H6?

analytical chemistry

How much NaOH (in grams) would there be in 0.25 litre of a 0.3M solution?

Chemistry

A solution has 189 grams of HNO3 dissolved in 1000L of water. What is pH?

chemistry

how many grams of sodium metal are needed to give 781 g of hydrogen?

chemistry

How many grams of magnesium are required to produce a total of 4.05g of hydrogen

chemistry

Calculate the amount of CO2 formed when 50 grams of CaCO3 decomposes?

chemistry

if an excess of nitrogen is reacted with 3.41 g of hydrogen, how many grams of ammonia can be produced?

science

1o grams of caster sugar dissolved in 25 degrees long to does it take.

Chem

After 450 years how many grams of C-14 will remain from a 100.0 g sample

chemistry

How many grams of HCl are formed from reaction of 3.58g of H2 with 8.90g of Cl2?

chem

Fe + O2--->Fe2O3 How many grams of iron are required to convert 80 mL of oxygen at STP?

Chemistry

What is the mass, in grams, of a pure iron cube that has a volume of 4.30 cm3?

chemistry

Skim milk has a density of 1.028 g/mL. How many grams are needed to get 0.786L?

Chem 111

How many grams of N2(g) would have to react to produce 19.5 kJ of energy

chemistry

What would be the mass in grams of one million (1.0*10^6) chromium atoms?

Chem

What mass of KCl in grams is formed when 2.00lbs of KClO3 is decomposed?

chemistry

calculate the solubility in grams of KCL3(s) per 100 ml of water

chemistry

How many grams of table sugar (C12H22O11) will be needed to make 3.5 L of a 11.5 M solution?

physics

How many grams of Al2O3 are formed from 15L of O2 at 97.5kPa and at 21degree celcius.

chemistry

how much grams of cao is produced by oxidation of 1gm of calcium

choudhary public school maths

Convert the following to grams 4.673kg

chemistry

How many grams of Ca(OH)2 can be dissolved in 550mL of a .0500 M NaOH solution. Ksp - Ca(OH)2 is 5.5 x 10-5

Chemistry

Determine the number of grams of water in 7.00 g of copper(II) sulfate pentahydrate.

chemistry

how do you go about to find the grams that will react with 90g acetic acid

Chemistry

How many grams of aluminum sulfate are produced if 15.7 g Al reacts with excess CuSO4?

Chemistry

Determine the number of grams present in 3.11x 10^23 atoms of water

chemistry

How many grams of NaC2H3O2 are needed to prepare 350. mL of a 2.75 M solution? i got 79.0 ??

Chemistry

How many grams of MgCl2 would be required to make 440 g of magnesium ?

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