Question

calculate molarity of the solution containing 0.04 gof HCl in 250ml of water​

Answer 1

answer

0.004M

step-by-step explation

➡amount of HCl is 0.04g

➡volume of solutions is 250ml

➡molar mass of HCl is 36.46g/mol

➡mole of HCl=mass of HCl/molar mass

➡mole of HCl=0.04/36.46

➡mole of HCl=0.001

$molarity = \frac{mole \: of \: hcl}{ {vol}^{m} of \: solution} \times 1000$

$molarity = \frac{0.001}{250} \times 1000$

$molarity = 0.000004 \times 4$

$molarity = (0.4 \times {10}^{ - 5}) \times 1000$

$molarity = 0.004$

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