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April 23, 2014

Homework Help: Chem

Posted by Anonymous on Monday, December 3, 2012 at 8:33pm.

What is the molarity of a solution made by dissolving 4.14 g of sodium acetate in water and diluting to 750. mL? (molar mass NaC2H3O2 is 82.0 g/mol.)


.67137, but that wasn't right.

An open-ended mercury manometer is used to measure the pressure exerted by a trapped gas as shown in the figure. Atmospheric pressure is 750. mmHg. What is the pressure (in mmHg or torr) of the trapped gas if h =23 cm?

I got 893.462, but that was also wrong. Any help please?

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