# chemistry

10.3 gm NaBr is solved in 50 ml of water. What will be the molality of solution?

1. 👍 0
2. 👎 0
3. 👁 159
1. molality = moles of solute/ kg of solvent

1. 👍 0
2. 👎 0

## Similar Questions

1. ### General Chemistry

A solution of LiCl in water has XLiCl = 0.0800. What is the molality?

asked by jamiya on September 18, 2012

What types of problems can be solved using the greatest common factor? What types of problems can be solved using the least common multiple? Complete the explanation. *** Use the words 'same' and 'different' to complete the

asked by Sam on September 11, 2014
3. ### Chemistry

(Ksp= 5.0*10^-13) 1) Calculate the molar solubility of AgBr in 3.0×10^−2 M AgNO3 solution. 2) calculate the molar solubility of AgBr in 0.10 M NaBr solution. I tried solving using this the quadratic formula, but it didn't work.

asked by Jonah on March 17, 2013
4. ### Chemistry

What is the mole fraction of NaBr in an aqueous solution that contains 20.1% NaBr (weight/weight%)?

asked by Steve on April 7, 2016
1. ### Chemistry

What is the molality of a glucose solution prepared by dissolving 18.0g of glucose, C6H12O6 in 125g of water? A)0.000794 B)0.144 C)0.699 D)0.794 Molality is the number of moles of solute per kilogram of solvent. Because the

asked by CIndy on April 27, 2007
2. ### chemistry

Finding molarity and molality(best answer)? An aqueous solution is prepared by diluting 3.30 mL acetone,(d= 0.789g/mL) with water to a final volume of 75.0 mL. The density of the solution is 0.993 g/mL. What is the molarity,

asked by sam on October 7, 2011
3. ### chemistry

A mixture of NaCl and NaBr has a mass of 2.04g and is found to contain 0.70g of Na. What is the mass of NaBr in the mixture?

asked by Anonymous on September 30, 2013
4. ### Chem

20.6 gm NaBr solved in 500 ml of water. What will be the molarity of solvent. Where Na 23 n Br 80

asked by Aarush on October 12, 2017
1. ### CHemistry....Please double check DrBobb

What mass of ethylene glycol C2H6O2, the main component of antifreeze, must be added to 10.0 L water to produce a solution for use in a car's radiator that freezes at -23C? Assume density for water is exactly 1g/mL. First we find

asked by Saira on January 24, 2009
2. ### chem

Assuming complete dissociation, what is the molality of an aqueous solution of KBr whose freezing point is -2.95 ∘C? The molal freezing-point-depression constant of water is 1.86 (∘C⋅kg)/mol. Molality = m

asked by Anonymous on January 22, 2017
3. ### chemistry

The concentrations of Ca and Na in a sample of river water are 13.4 mg/kg and 5.2 mg/kg. Express the concentration in molality

asked by Wiped Out on September 11, 2012
4. ### chemistry

When a certain amount of MgF2 is added to water, the freezing point lowers by 3.5 oC. What was the molality of the magnesium fluoride? (Kf for water = 1.86 oC/m)

asked by lw on February 10, 2012