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Ede4ka [16]
3 years ago
15

Calculate the number of moles of NaCl contained in 0.500L of a 1.5M solution

Chemistry
1 answer:
valina [46]3 years ago
8 0
Mole  of  Nacl   in  the   solution=molarity  x   volume  divide   by  1000
molarity=0.5M
volume=1.5  Liter

that is,
=  0.500   x  1.5 /1000=7.5  x10^-4  moles
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m_{solution}=470g

Explanation:

Hello,

In this case, a solution is formed when a solute is completely dissolved in a solvent, thus, for this situation, the sugar is the solute and the water the solvent but in addition to them we find spices which are also considered in the total mass of the solution. In such a way, for computing the total mass we must add the mass of three constituents (115 g sugar, 350 g water and 5 g spices) as shown below:

m_{solution}=115g+350g+5g\\\\m_{solution}=470g

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