1.

What volume of 1.71 Nacl solution contain 0.20 mol Nacl​

Answer»

ANSWER:

The MOLARITY of a SOLUTION is determined by the ratio of moles of solute, (the material being dissolved), compared to the liters of solution. the EQUATION is M=molL

For this NaCl solution we have a Molarity of 0.75 in 50 ML of solution.

Therefore

M = 0.75 M

V = 50 mL or 0.050 L

moles = x

0.75M=xmol0.050L

0.050L(0.75M)=xmol

0.0375mol=x

Use the molar mass of NaCl to convert the moles to grams.

0.0375molNaClx58.44gNaCl1molNaCl=2.19gramsNaCl


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