Question

शुद्ध जल की मोलरता ज्ञात करें

Answer 1

55.5 M for 1 kg water

Answer 2

Answer: 55.5 M

Explanation: As we know Density of pure water is = 1 g/ml

That means 1 gram of water is dissolved in 1 ml of solution.

Molarity : It is defined as the number of moles of solute present per Liter of solution.

Formula used :

$Molarity=\frac{n\times 1000}{V_s}$

where,

n= moles of solute

$Moles=\frac{\text{Given mass}}{\text{Molar mass}}=\frac{1g}{18g/mol}=0.055moles$  

$V_s$ = Volume of solution in ml

$Molarity=\frac{0.0555\times 1000}{1ml}$

$Molarity=55.5M$