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Calculate the mass percentage of nacl in a solution containing 1.50 g of nacl in 50.0 g of water.

User Nakrill
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2 Answers

7 votes

Final answer:

The mass percentage of NaCl in the solution is 2.91%, calculated by dividing the mass of NaCl by the total mass of the solution and multiplying by 100.

Step-by-step explanation:

To calculate the mass percentage of NaCl in a solution containing 1.50 g of NaCl dissolved in 50.0 g of water, you need to consider the total mass of the solution. The total mass is the sum of the mass of NaCl and the mass of water, which is 1.50 g + 50.0 g = 51.50 g. The mass percentage is then calculated by dividing the mass of NaCl by the total mass of the solution and then multiplying by 100 to express it as a percent.

Calculations:

Mass percentage of NaCl = (Mass of NaCl / Total mass of solution) × 100

Mass percentage of NaCl = (1.50 g / 51.50 g) × 100 = 2.91%

User Yuriy Nemtsov
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7 votes
solution
50.0g of water -1.50g of naCl=48.5g
48.5÷molarmass of nacl×percentage
48.5÷58.5×100%
10g ×100%=1000g
the mass percentage of nacl is 1000g
User Lgersman
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