# 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 ?

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 ?