Scenario: You are testing two different household solutions with your cabbage indicator, using the color key to the right.

The second solution turns purple. A possible hydrogen ion concentration for this solution is:

A. 1 × 10-2 M

B. 7× 10-3 M

C. 1 × 10-7 M

D. 7 × 10-4 M

What’s the percent by mass of carbon in c10h14n2

The two naturally occurring isotopes of chlorine are 35cl (34.969 amu, 75.77%) and 37cl (36.966 amu, 24.23%). the two naturally occurring isotopes of bromine are 79br (78.918 rm amu, 50.69%) and 81br (80.916 amu, 49.31%). chlorine and bromine combine to form bromine monochloride, brcl. 1. how many peaks will be present in a mass spectrum for brcl? the four combinations of molecule possible given these four isotopes are: 81br37cl, 81br35cl, 79br37cl, and 79br35cl. 2. what are the masses of the four different brcl molecules? express the masses using six significant figures, in decreasing numeric order (highest to lowest), separated by commas.

Is a pencil falling to the floor anon contact force, a force, or a contact force