Answer :
Final answer:
The number of moles of NaOH in 750ml of a 1.5M NaOH solution can be calculated by multiplying the molarity by the volume in liters. Thus, there are 1.125 moles of NaOH in the given volume.
Explanation:
In chemistry, the concept of molarity (M) is used to describe the concentration of a solution. Molarity is defined as the number of moles of solute per liter of solution. In this case, you have a 1.5M solution of NaOH which means that there are 1.5 moles of NaOH in every liter of the solution.
However, your solution's volume is only 750ml, which is 0.75 liters. To calculate the number of moles of NaOH in this volume, you would multiply the concentration (1.5 moles/liter) by the volume in liters (0.75 liters). So, the number of moles of NaOH in 750ml of a 1.5M NaOH solution is 1.125 moles.
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