How many atoms of Aluminum are there in 60 grams of Al? *Plz answer so soon as possible*

1. 9.74 x 102 molecules

2.1.34 x 10-4 molecules

3.5.24 x 10molecules​

12.00 moles of naclo3 will produce how many grams of o2? a) 256 g of o2 b) 576 g of o2 c) 288 g of o2

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

What is the percentage of hydrogen in nitrogen trihydride