Question

The density of a solution containing 40% by mass of HCL is 1.2g/ml. Calculate the (mass/volume) percentage of solution. ( please don't give me the molarity solution. I will mark you brainliest if its correct )​

Answer 1

Answer:

13.15M

Explanation:

Correct option is

C

13.15 M

Molarity =  

volume(inmL)

moles

​

×1000

40% by mass of HCl means 100g solution contains 40g HCl.

Number of moles of HCl=  

molecular mass of HCl

weight

​

=  

36.5

40

​

=1.0958 moles

Density=  

volume

mass

​

=1.2 g/mL

Volume=  

1.2

100

​

=83.33 mL

Therefore, Molarity =  

83.33

1.0958

​

×1000 = 13.15 M

MARK ME BRAINLIEST!!

Answer 2

Explanation:

approx 48℅ is the answer I have done the molarity relation with m/v ℅