1. how many milliliters of 10.0 m hno 3 are needed to prepare 0.350 l of 0.400 m solution?

14 milliliters

We are given;

Prepared solution;

We are required to determine the initial volume of HNO₃

M₁V₁ = M₂V₂

Rearranging the formula;

V₁ = M₂V₂ ÷ M₁

    =(0.40 M × 0.350 L) ÷ 10.0 M

   = 0.014 L

But, 1 L = 1000 mL

Therefore,

Volume = 14 mL

Thus, the volume of 10.0 M HNO₃ is 14 mL

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