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In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol...

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Chemistry

In a chemical reaction, exactly 2 mol of substance A react toproduce exactly 3 mol of substance B.

2A = 3B

How many molecules of substance Bare produced when 28.2 g of substance A reacts? The molar mass ofsubstance A is 17.9 g/mol.

Step 1. Convert the mass of A tomoles.

__________________________________molA

Step 2. Convert the number ofmoles of A to the number of moles of B.

___________________________________molB

Step 3. Convert the number ofmoles of B to molecules of B.

___________________________________molecules ofB.

Answer & Explanation Solved by verified expert
3.8 Ratings (533 Votes)
2A 3BGiven molar mass of A is 179 g mol1mass of A is 282 gSo Number of moles    See Answer
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