Posted by Rachel on Saturday, January 22, 2011 at 1:55pm.
5.705 is a correct number for the first one; however, you can't have that many significant figures. You are allowed three; therefore, I would round to 5.70 g. Your prof may not round a 5 the same way and could round to 5.71 g.
The second one is correct also; however, you are allowed 3 s.f. and I would give the answer as 25.0 mL.
Same thing for the third one. 25.0 mL.
Related Questions
chemistry - Hydorgen peroxide may be prepared by the following reactions: ...
chemistry - Calculate the number of grams of h2c2o4.2h2o needed to prepare ...
chemistry - Four solution are prepared and mixed together: Start with 100.0ml of...
Chem - Calculate the concentration of NH4+ from ammonium chloride required to ...
Chemistry - A solution was prepared by adding 15mL of 0.129 M KI, 5mL of 0.1 M ...
Chem - Calculate the volume of .300 M NaOH needed to prepare a pH=3.50 buffer ...
chemistry - calculate the mass of naso4 needed to prepare of 0.5L of 0.15M of ...
Chemistry - In this lab experiment you will make 100.0 mL of a 0.100 M solution...
chemistry - calculate the mass of sodium hydroxide needed to prepare 100 ml of a...
chemistry - calculate the mass of sodium hydroxide needed to prepare 100 ml of a...
For Further Reading