Answered

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What mass of Na2CO3 will be required to dissolve in 0.3 L of water to make a 0.5 M solution?

Sagot :

Oseni

The mass of [tex]Na_2CO_3[/tex] that will be required to be dissolved in water would be 15.9 grams

Solution preparation

Recall that:  molarity = mole/volume in L

In this case, the volume is 0.3 L and the molarity is 0.5 M.

Thus, mole = molarity x volume = 0.5 x 0.3 = 0.15 moles

Mass of 0.15 moles  [tex]Na_2CO_3[/tex] = 0.15 x 106 = 15.9 grams

More on solution preparation can be found here: https://brainly.com/question/14667249

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