The percent composition of hydrogen in a compound is 3.80% how many grams of hydrogen are in 124 g of the compound?

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The answer is: 4.71 grams of Hydrogen

From the statement, we know that for the studied compound, which has a mass of 124 g, we have that 3.80% is Hydrogen.

So, to find how many grams of Hydrogen is in 124 grams of the compound, we need to do the same calculation:

First, we need to convert the 3.80% percent in a real number, we can do it by dividing the percent into 100:

Then,

So, there are 4.71 grams of Hydrogen in 124 grams of the compound.

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