Aqueous hydrobromic acid hbr will react with solid sodium hydroxide naoh to produce aqueous sodium bromide nabr and liquid water h2o . suppose 20.2 g of hydrobromic acid is mixed with 5.7 g of sodium hydroxide. calculate the maximum mass of water that could be produced by the chemical reaction. round your answer to 2 significant digits.

The maximum mass of water that could be produced by the chemical reaction is 2.6 grams.

Explanation:

Moles of HBr =

Moles of sodium NaOH =

According to reaction 1 mol of HBr is reacting with 1 mol of NaOH.

Then 0.2494 moles of HBr will react with :

of NaOH.

According to reaction 1 mol of NaOH is reacting with 1 mol of HBr.

Then 0.1425 moles of sodium hydroxide will react with :

of HBr.

As we can see that NaOH is in limiting amount of moles. So, the amount of water formed will depend upon the amount of NaOH.

According to reaction, 1 mole NaOH gives 1 mole of water.

Then 0.1425 moles of NaOH will give:

of water.

Mass of the 0.1425 mol of water:

0.1425 mol × 18 g/mol = 2.565 g ≈ 2.6 g.

The maximum mass of water that could be produced by the chemical reaction is 2.6 grams.

14 days is the half-life of phosphorus-32

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