27.0 l of hcl gas at stp is dissolved in water, giving 785 ml of solution. what is the molarity of the hcl solution? 9.46 m

Molarity = 1.53 M

Explanation:

At STP,  

Pressure = 1 atm  

Temperature = 273.15 K

Given, Volume = 27.0 L

Using ideal gas equation as:

where,  

P is the pressure

V is the volume

n is the number of moles

T is the temperature  

R is Gas constant having value = 0.0821 L.atm/K.mol

Applying the equation as:

1 atm × 27.0 L = n × 0.0821 L.atm/K.mol × 273.15 K  

⇒n = 1.20 moles

Given that volume = 785 mL

Also,  

So, Volume = 785 / 1000 L = 0.785 L

Considering:

Molarity = 1.53 M

lithosphere and asthenosphere

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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