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Posted by on Tuesday, January 31, 2012 at 4:18pm.

A 141-mg sample was placed on a watch glass that weighed 9.203 g. What is the weight of the watch glass and sample in grams?

  • chemistry - , Tuesday, January 31, 2012 at 6:35pm

    9.203g watch glass mass
    +0.141g sample mass
    -----------
    9.344 g total mass

  • chemistry - , Saturday, January 31, 2015 at 9:57pm

    the sample weighs .141 grams. so in order to find the weight of the watch glass you will have to subtract the sample from the total weight(9.203g). Therefore, the watch glass weighs 9.062 grams.

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