Question

0.5 moles of a solute is present in 500 ml of the solution. then it's molarity is ???​

Answer 1

Answer:

molarity can be defined as moles per unit volume in (litre)

then

molarity is 0.5/0.5

1

the answer is 1M

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Answer 2

Answer:

1 M

Explanation:

Molarity of a solute is given as

$\sf \frac{Moles\ of\ solute}{Volume\ of\ solution\ in\ litres}$

Here, moles given = 0.5

Volume = 500 ml

Convert it to litres

→ 0.5 L

So, molarity = 0.5/0.5 = 1 M.

$\rule{200}{2}$

→ Molarity is a concentration term used often in chemistry.

→ Other concentration terms include Weight by volume percentage, volume by volume percentage, weight by weight percentage, Molality, Normality, Parts per million (PPM), Parts per Billion (PPB) etc.

→ Concentration terms are very important in chemistry. They help to calculate pH, concentration of $\sf H^+$ or $\sf OH^-$, stoichiometric equations etc.