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Llana [10]
2 years ago
12

Radioactive decay is caused by

Chemistry
1 answer:
LenaWriter [7]2 years ago
6 0
Hi there are we safe and are you all safe
I don’t know how to
I don’t know how to
I don’t know how to
I don’t know how to
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What is the molarity of a solution if you take 12.0 grams of ca(no3)2 and mix it with 0.105 l of water?
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The  molarity  of  a solution  if it tale 12.0   grams  of  Ca(No3)2  is  calculated as below

molarity =  moles/volume in liters
 moles = mass/molar mass =  12.0 g/ 164 g/mol =  0.073 moles

molarity is therefore  = 0.073/0.105 = 0.7 M 
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