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Ulleksa [173]
3 years ago
14

A student takes a measured volume of 3.00 M HCl to prepare a 50.0 mL sample of 1.80 M HCl. What volume of 3.00 M HCl did the stu

dent use to make the sample? Use M subscript i V subscript i equals M subscript f V subscript f.. 3.70 mL 16.7 mL 30.0 mL 83.3 mL
Chemistry
2 answers:
Pani-rosa [81]3 years ago
8 0

83.3 mL

Explanation:

M_{i} = 3M

V_{i} = 50mL

M_{f} = 1.80M

Unknown:

V_{f} = ?

Solution:

To solve this problem we must understand that the initial and final number of moles remains the same.

  Number of moles = molarity x volume

Molarity x volume of initial solution = Molarity x volume of final solution

 Therefore:

   M_{i}  x  V_{i}     = M_{f} x   V_{f}

M is the molarity

V is the volume

i = initial state

f = final state

    input the parameters;

  3 x 50 = 1.8 x V_{f}

      V_{f} = 83.3 mL

learn more:

Molarity brainly.com/question/9324116

#learnwithBrainly

forsale [732]3 years ago
3 0

Answer:

83.3

Explanation:

I’m smart

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