[Answered] How many atoms of oxygen are contained in 47.6 g of Al2(CO3)3? The molar mass of Al2(CO3)3 is 233.99 ...

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Author Question: How many atoms of oxygen are contained in 47.6 g of Al2(CO3)3? The molar mass of Al2(CO3)3 is 233.99 ... (Read 59 times)

londonang

Hero Member
Posts: 540

on: Aug 27, 2018

How many atoms of oxygen are contained in 47.6 g of Al2(CO3)3? The molar mass of Al2(CO3)3 is 233.99 g/mol.

A) 1.23 1023 O atoms
B) 2.96 1024 O atoms
C) 2.87 1025 O atoms
D) 1.10 1024 O atoms
E) 3.19 1024 O atoms

Question 2

How many valence electrons does an atom of Ti possess?

A) 2
B) 4
C) 6
D) 8
E) 0

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Marked as best answer by a Subject Expert

adammoses97

Sr. Member
Posts: 337

Reply #1 on: Aug 27, 2018

Answer to Question 1

D

Answer to Question 2

B

londonang

Member
Posts: 540

Reply 2 on: Aug 27, 2018

Gracias!

carojassy25

Member
Posts: 299

Reply 3 on: Yesterday

Great answer, keep it coming

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