When someone tries to sell gold to a jeweler, the jeweler must be certain that the object is pure gold. To determine this, they calculate the density
of the object given to them. Gold has a density of 19.3 g/mL. If someone
brings in 13 mL of "gold", what would the mass of real gold be?

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

What is the measured amount of a product obtained from a chemical reaction?

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i