Homework Help: chemistry

Posted by Kelly on Tuesday, January 24, 2012 at 1:45pm.

how many grams of sodium are used to prepare 50 boxes of crackers? sodium per serving is 140mg, serving size is .50 oz for 6 crakers. i got 112g and the answer is suppose to be 110g and i cant figure out how to get 110

thank you

chemistry - DrBob222, Tuesday, January 24, 2012 at 2:36pm
Don't we need to know the number of servings in a box?
chemistry - Kelly, Tuesday, January 24, 2012 at 2:50pm
Sorry, it's an 8.0 oz box so there are 16 servings in the box

Thanks
chemistry - DrBob222, Tuesday, January 24, 2012 at 3:00pm
I get 112 g also; however, this may be a problem with the number of significant figures. The 0.50 oz/serving limits you to two s.f. and that is 110 g. ;-)

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