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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 g mol-1. (Read 94 times)

lak

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Question 1

How many moles of C3H8 contain 4.95 × 1024 hydrogen atoms?
◦ 6.58 moles C3H8
◦ 1.03 moles C3H8
◦ 3.09 moles C3H8
◦ 9.73 moles C3H8
◦ 8.22 moles C3H8

Question 2

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-1.
◦ 1.23 × 1023 O atoms
◦ 3.68 × 1023 O atoms
◦ 2.87 × 1025 O atoms
◦ 2.96 × 1024 O atoms
◦ 1.10 × 1024 O atoms


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Marked as best answer by lak on Nov 18, 2019

Pariscourtney

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lak

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Reply 2 on: Nov 18, 2019
:D TYSM


tanna.moeller

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Reply 3 on: Yesterday
Excellent

 

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