Home
Class 9
PHYSICS
A solution contains 50 g of comon salt i...

A solution contains 50 g of comon salt in 200 g of water. Calculate the concentration in terms of mass by mass percentage of the solution?

Text Solution

Verified by Experts

Mass of solute( salt) =50g
Mass of solvent (water) =200 g
Mass of solution =Mass of solute + Mass of solvent
`=50g+200g=250g`
Mass percentage of a solution =
`=("Mass of solute")/("Mass of solution")xx100`
`=50/250xx100=20%`
Promotional Banner

Topper's Solved these Questions

  • IS MATTER PURE?

    NCERT BANGLISH|Exercise LET US IMPROVE OUR LEARNING (Reflections on concepts )|2 Videos

  • IS MATTER PURE?

    NCERT BANGLISH|Exercise LET US IMPROVE OUR LEARNING ( Application of concepts)|3 Videos

  • HEAT

    NCERT BANGLISH|Exercise Multiple choice questions|7 Videos

  • LAW OF MOTION

    NCERT BANGLISH|Exercise LET US IMPROVE OUR LEARNING (MULTIPLE CHOICE QUESTIONS )|5 Videos

Similar Questions

Explore conceptually related problems

The solubility of Sr(OH)_(2) at 298K is 19.23 g/L of solution. Calculate the concentrations of stronium and hydroxyl ions and the pH of the solution.

For a dilute solution containing 2.5 g of a non-volatile non-electrolyte solute in 100 g water, the elevation of boiling point at 1 atm pressure is 2°C. Assuming concentration of solute is much lower than the concentration of solvent, determine the vapour pressure (mm Hg) of the solution. [Given: k_b for water = 0.76K-kg- mol^(- 1) ]

The boiling point of a solution containing 1.5 g of dichlorobenzene in 100 g of benzene was higher by 0.268^@C . Calculate the molar mass of dichlorobenzene. K_b forbenzene = 2.42 K kg mol^-1

A solution containing 30 g of non-volatile solute exactly in 90 g of water has a vapour of 2.8 kPa at 298 K. Further, 18g of water is then added to the solution and the new vapour pressure becomes 2.9 kPa at 298 K. Calculate, molar mass of the solute

0.30 g of a substance gives 0.88 g of carbon dioxide and 0.54 g water. Calculate the percentage of carbon and hydrogen in it.

What is the freezing point of solution containing 3g of a non-volatile solute in 20g of water. Freezing point of pure water is 273K, K_(f) of water = 1.86 Kkg/mol. Molar mass of solute is 300 g/mol. T^(@)-T=K_(f)m

20 g of NaOH is present in 250 mL of H_(2) O . Calculate the active mass of the solution .

A solution containing 500 g of a protein per litre is isotonic with a solution containing 3.42 g sucrose per litre. The molecular mass of protein in 5 xx 10^xx hence x is