Question

6 grams of a solute are present in 500 ml of solution. What is the concentration of the solution in gram /litre

Answer 1

HOLA
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concentration in g/l = ( 6 / 500 ) × 100
=1.2.
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Answer 2

Answer:

1.2 M is the concentration of the solution in gram liter.

Explanation:

Given,

6 grams of solute exist present in 500 ml of solution.

To find,

The concentration of the solution in gram /liter

First, convert grams of NaCl to moles of NaCl.

From the periodic table:

Na = 23.0 g/mol

Cl = 35.5 g/mol

NaCl = 23.0 g/mol + 35.5 g/mol = 58.5 g/mol

Total number of moles = $(1 mole / 58.5 g) * 6 g = 0.62 moles$

Now distinguish moles per liter of solution:

M = 0.62 moles NaCl / 0.50 liter solution = 1.2 M solution (1.2 molar solution).

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