# science

find the mole fraction of sodium in 25% by massof sodium amalgum

1. 👍 0
2. 👎 0
3. 👁 116

## Similar Questions

1. ### Chemistry

What is the mole fraction sodium acetate of a solution made by adding 0.145 g of sodium acetate to 119 ml water?

asked by Steve on November 2, 2012
2. ### Chemistry

A solution contains 40.0 g of sodium chloride and 200.0 g of water. Calculate the NaCl concentration as a a) mass percentage, b) molality, c) mole fraction. I have trouble finding mole fraction. I believe I've got the other two,

asked by Mike on May 24, 2013
3. ### chemistry

If you wanted to hydrolyze 1 mole of PLA into 1 mole of sodium lactic acid, how many moles of sodium hydroxide would you need?

asked by meg on February 22, 2011
4. ### Chemistry

Sodium vapor lamps, use for public lighting, emits 489 nm yellow light. What energy is emitted by: a) an excited sodium atom when it generates a photon? b) 1 mole of excited sodium atoms at this wavelength?

asked by Michelle on November 25, 2012
5. ### chemistry

A solution of sodium hydroxide is 8.20M and has a density of 1.20g/mL. What is the mole fraction of sodium hydroxide in the solution?

asked by Joe on December 8, 2011
1. ### chemistry

The mole fraction of an aqueous solution of sodium dichromate is 0.367. Calculate the molarity (in mol/L) of the sodium dichromate solution, if the density of the solution is 1.42 g mL-1.

asked by Colin on February 25, 2011
2. ### chem 1

if 58.44 g of sodium chloride is dissolved in 0.5 liter of water what is the molarity of the sodium chloride solution? The molar mass of sodium chloride is 58.44 grams per mole.

asked by don on November 22, 2012
3. ### Chemistry

I need to find the tested and published pH values of the following solutions: (1) 1.0 M NaCl (2) 1.0 M sodium acetate (3) 1.0 M sodium sulfate (4) 1.0 M Sodium Bisulfate (5) 1.0 M Sodium Carbonate (6) 1.0 M Ammonium Chloride\ Is

asked by Really Need Help on March 6, 2012
4. ### Chemistry

Identify the salt that is produced from the acid-base neutralization reaction be- tween sodium hydroxide and hydrocyanic acid (HCN). 1. sodium cyanide 2. sodium acetate 3. sodium amide 4. sodium formate

asked by Holly on March 22, 2011
5. ### Chemistry

I need help classifying these as physical and chemical properties! 1. sodium metal in chlorine gas releases luster. 2. sodium metal has a metallic silver luster. 3. sodium metal in water porduces hydrogen gas. 4. sodium metal

asked by Emily Grossman on March 1, 2011

More Similar Questions