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Question 1 of 3
The RMM of Morphine Sulphate is 118.0. How many moles of Morphine Sulphate are there in 1.18 g?
moles
RMM
118
Moles of Morphine Sulphate = 0.01 moles
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Question 2 of 3
How many moles of Sodium Chloride are there if a solution contains 2.3 grams of Sodium Chloride? Answer to 4 decimal places.
RMM of Sodium Chloride = 23.0 + 35.5 = 58.5
Number of Moles = Mass of Component
RMM
Moles of Sodium Chloride = 2.3 moles
58.5
Moles of Sodium Chloride = 0.03931 moles
Moles of Sodium Chloride = 0.0393 moles to 4 decimal places
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Question 3 of 3
1 mole = 1000 millimoles. How many millimoles of Ascorbic Acid (RMM 176.1) are there in 12 grams of Ascorbic Acid? Answer to one decimal place.
Number of Moles = Mass of Component
RMM
Moles of Ascorbic Acid = 12 moles
176.1
Moles of Ascorbic Acid = 0.06814 moles
Moles of Ascorbic Acid = 1000 x 0.06814 = 69.14 mmoles
Moles of Ascorbic Acid = 68.1 mmoles to one decimal place
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