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Mandarinka [93]
3 years ago
7

Which compounds are the Brønsted-Lowry bases on this equilibrium

Chemistry
1 answer:
vovangra [49]3 years ago
8 0
The answer is E.
Hope it helps.
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Calculate the molarity of the NaCl solution when 43.8 g of NaCl is dissolved in 100 mL of water.
Ad libitum [116K]

Answer: The molarity of solution is 7.45 M

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

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

where,

n = moles of solute

V_s = volume of solution in ml

moles of NaCl = \frac{\text {given mass}}{\text {Molar mass}}=\frac{43.8g}{58.5g/mol}=0.745mol

Now put all the given values in the formula of molality, we get

Molarity=\frac{0.745\times 1000}{100}

Molarity=7.45M

Therefore, the molarity of solution is 7.45 M

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