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A lab director asks two students, Lydia and Damien, to each select a bottle of a concentrated weak base. When they reach the cabinets, they find
different chemical solutions with varying concentrations. All of the options are bases, which bottles should they choose?
Lydia should select the bottle of
5.0 M ammonia
Damien should select the bottle of
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5.0 M calcium hydroxide
8.0 M potassium carbonate
4.1 M potassium hydroxide
0.003 M cesium hydroxide
is

Mass is the amount of matter in an object.  weight is the measurement of the pull of gravity on an object.  say for example, you travel to the moon which has a different gravitational field compared to the gravitational field of earth. (gravitational fields: earth = 1, moon = 0.165)  now when you are on the moon, the pull of gravity on you is different than on the earth. and as weight is the measurement of the pull of gravity on an object, that means yes, your weight can and will change on the moon.  however, on the moon, on earth or even on jupiter, the amount of mass inside of you remains the same. meaning your physical mass remains constant.  in conclusion it is possible for your weight to change as your mass remains constant.