1. Solve the problems and write the final solutions in decimals.
(c) 20 L 15 mL - 1492 mL
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Answer:
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Step-by-step explanation:
The number of mmol of MgCl
2
present =15×0.20=3 mmol.
The number of mmol of AlCl
3
present =45×0.40=18 mmol.
The number of mmol of Cl
−
present =(2×3)+(3×18)=60 mmol.
Total volume =15+45=60 mL
The molarity of chloride ions in the final solution =
60
60
=1.0 M.
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this is the correct answer that my teacher gave me in maths cw the same subtraction sum I have in my reader first subtract 1492ml from 20015 ml and what the difference u got that will be the ml and if u wanna convert it to litre just subtract the answer u got write down to it 20.015 and 1.492 and the answer will be eighteen thousand five hundred twenty three litre
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