Chemistry, 29.08.2019 10:30 matthewlucas8613
You are determining the mass of an object using a triple beam balance. when the pointer is lined up with the zero mark, the riders show values of 300 grams, 20 grams, and 8.0 grams. what is the mass of the object?
Answers: 1
Chemistry, 22.06.2019 19:20
For a research project, a student decided to test the effect of the lead(ii) ion (pb2+) on the ability of salmon eggs to hatch. this ion was obtainable from the waterâsoluble salt, lead(ii) nitrate, which the student decided to make by the following reaction. pbo(s) + 2 hno3(aq) â pb(no3)2(aq) + h2o losses of product for various reasons were expected, and a yield of 86.0% was expected. in order to have 5.00 g of product at this yield, how many grams of pbo should be reacted? (assume that sufficient nitric acid, hno3, would be used.)
Answers: 1
You are determining the mass of an object using a triple beam balance. when the pointer is lined up...
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