Wednesday
April 16, 2014

Homework Help: chemistry

Posted by Jessica on Sunday, April 7, 2013 at 11:24pm.

an aqueous solution solution of sodium borate is sometimes used to to fire-proof wood.
a. what is the molarity of 2.50 L of solution that contains 1.85 moles of sodium borate?

b. what is the molarity of 45.0 L of solution that contains 6.78 kg of sodium borate?

c. how manny moles of sodium borate are in 600.0 mL of a 1.57 M sodium borate solution?

d. a chemist needs 50.8 g of sodium borste for a reaction. How many mL of 1.87 M solution contain this mass?

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