Please help !!! :(( How many grams are in 5.40 x 10^24 molecules of H₂O?

How many grams of caffeine (C₈H₁₀N₄O₂) are found in 6.50x 10²² molecules?

How many molecules of fructose (C₆H₁₂O₆) care in 93.0 grams?

How many molecules are in 84.0 g of ammonia (NH₃)?

The odor of bananas is due to the compound isopentyl acetate, C₇H₁₄O₂. How many molecules of isopentyl acetate are there in 5.00 grams?

Correct me if wrong but its 162g of H₂O

Explanation:

I only did H₂O because you can apply this process for the rest but

First we need to find the molar mass of H₂O from the periodic table by adding said elements atomic masses together.  1.01(2) + 16.00=18.02g/mol We can use this 18.02g/mol as a conversion from moles to grams. Since there are molecules we need to use Avagadros number 6.02x10^23. This number can be used for molecules, particles and atoms and can convert from molecules, particles and atoms to moles. Now we use dimensional analysis so our units cancelyour answer will be 161.6 but the least significant figures is 3 so round to 162  SO in general you need to calculate the molar mass of said species  so you can convert to your desired units, hope this helped!!

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Answer is (d)a brainliest would be appreciated