A student mixed 25 grams of salt into 1,000 grams of water.
What is the mass of the mixture?
...
Chemistry, 28.10.2020 17:40 miguelelmenor910
A student mixed 25 grams of salt into 1,000 grams of water.
What is the mass of the mixture?
A. 975 grams
B. 1,000 grams
C. 1,025 grams
D. 2,500 grams
Answers: 2
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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 water‐soluble salt, lead(ii) nitrate, which the student decided to make by the following reaction. pbo(s) + 2 hno3(aq) → 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.)
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