What mass is associated with a $\frac{1}{2} \cdot m o l$ $1/2*mol$ quantity of sodium hydroxide?

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What mass is associated with a $\frac{1}{2} \cdot m o l$ $1/2*mol$ quantity of sodium hydroxide?

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Answer 1 · 2017-07-07T20:31:47

Well........ $sodium hydroxide$ $"sodium hydroxide"$ has a molar mass of $40.0 \cdot g \cdot m o l^{- 1}$ $40.0*g*mol^-1$

Explanation:

And thus if we have a $\frac{1}{2} \cdot m o l$ $1/2*mol$ of $caustic soda$ $"caustic soda"$ , we have a mass of..........

$1/2*cancel(mol)xx40*g*cancel(mol^-1)=??g$

Note the DIMENSIONAL consistency of the answer. We want an answer with units of mass, and the product gives us an answer with units of mass. This is a check on my calculations, and built in detection of possible error on my part in framing the problem......

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What mass is associated with a $\frac{1}{2} \cdot m o l$ $1/2*mol$ quantity of sodium hydroxide?

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What mass is associated with a $\frac{1}{2} \cdot m o l$ $1/2*mol$ quantity of sodium hydroxide?