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Ad libitum [116K]
3 years ago
5

Chemistry Stoichiometry Question

Chemistry
1 answer:
Zielflug [23.3K]3 years ago
8 0

The correct answer is 1.1 moles

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What is the percent by weight of sodium in sodium sulfate (Na2SO4)? (The molar mass of Na = 22.99, S = 32.07, and O = 16.00.) 16
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The total mass would be 142.05 g/mol. Since sodium is 22.99 g/mol and there are 2 sodium atoms, it would be 45.98 g/mol. Divide 45.98 by 142.05 and you get 32.37%
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The minimum combined kinetic energy reactant particles must possess in order for their collision to result in a reaction is call
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Answer: Activation energy

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3 years ago
Why can't all mixtures be classified as solutions?
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Which arrow or arrows represent reactions that demonstrate a conservation of mass and energy? Explain your answer
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i need a picture of ur question

Explanation:

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