4.5 g of compound A (MW = 90) was used to make 250 mL of its aqueous solution. The molarity of the solution in M is x $ \times $ 10-1. The value of x is _______. (Rounded off to the nearest integer)

Question

4.5 g of compound A (MW = 90) was used to make 250 mL of its aqueous solution. The molarity of the solution in M is x $ \times $ 10^-1.
The value of x is _______. (Rounded off to the nearest integer)

Correct Answer

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