A student determined the solubility of four substances, potassium nitrate, sodium chloride, potassium chloride and ammonium chloride in water at five different temperatures of $10 ° C, 20 ° C, 40 ° C, 60 ° C, and 80 ° C$ , and obtained the following data :
What mass of potassium nitrate would be needed to make a saturated solution of potassium nitrate in 50 grams of water at $10 ° C$ ?

see full answer

Want to Fund your own JEE / NEET / Foundation preparation ??

Take the SCORE scholarship exam from home and compete for scholarships worth ₹1 crore!*

An Intiative by Sri Chaitanya

42 g

10.5 g

84 g

21 g

answer is C.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Solubility: amount of can be dissolved in 100 ml of $H_{2} O$ at given temperature solubility at ${10°C KNO}_{3} \to 21 g$ can dissolve in 100 ml $H_{2} O$ , $50ml \to \frac{21}{2} = 10.5 g .$

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

🔥 Start Your JEE/NEET Prep at Just ₹1999 / month - Limited Offer! Check Now!

Get Expert Academic Guidance – Connect with a Counselor Today!

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET