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Author Question: Consider the isotope Br. The atomic number is ________, and the mass number is ________. A) 79; ... (Read 126 times)

jeatrice

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on: Aug 27, 2018
Consider the isotope Br. The atomic number is ________, and the mass number is ________.
 
  A) 79; 35
  B) 35; 79
  C) 44; 35
  D) 35; 44
  E) 35; 114

Question 2

Sodium metal and water react to form hydrogen and sodium hydroxide. If 5.98 g of sodium react with water to form 0.26 g of hydrogen and 10.40 g of sodium hydroxide, what mass of water was involved in the reaction?
 
  A) 4.68 g
  B) 5.98 g
  C) 10.14 g
  D) 10.66 g


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pangili4

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Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A


jeatrice

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Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


pangili4

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Reply #3 on: Aug 27, 2018
Great! Please up vote :D


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