QuestioningLove14 QuestioningLove14
  • 03-06-2020
  • Chemistry
contestada

90 grams of glucose, C6H12O6, is dissolved in 2 liters of solution. Determine the molarity (M).

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osikbro
osikbro osikbro
  • 03-06-2020

Answer:

0.25

Explanation:

The first step is to determine how many moles of glucose there are, which means first finding out the molar mass of glucose. Carbon has a molar mass of about 12, hydrogen 1, and oxygen 16, so the total molar mass of glucose is about 6(12)+12(1)+6(16)=180 grams. This means that 90 grams is half a mole. Half a mole of substance divided by two liters of solution is (1/2)/2=1/4, or a molarity of 0.25. Hope this helps!

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