Question 1 (1 point) (05.01 LC)
Which of the following best defines the molar mass of a substance? (1 point)
O a
Mass, in grams, of each particle of the substance
Ob
Total mass, in grams, of 100 particles of the substance
Ос
Mass, in grams, of the nucleus of the substance's atoms
d
Total mass, in grams, of all the particles in one mole of the substance

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

What is the approximate mass of 25 cm3 of silver, if the density is 10.5 g/cm3? a. 0.42 g b. 2.4 g c. 42 g d. 260 g