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chemistry as percentage uncertainty question

could anyone help me w this plssss

1. the freezing point depression of a 0.50 moldm^-3 solution of CaCl2 is -2.8 degrees Celcius. The students try to verify this. They use a balance reading to the nearest gram and make up the solution in a 1dm^3 measuring cylinder, graduated in 20cm^3 units. They measure temperature using a thermometer marked in degrees Celcius. Which gives the highest uncertainty in overall measurement?
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hi anyone still knows how to do this?
Original post by puprceee
hi anyone still knows how to do this?

No sorry, it's been lost to time :sadnod:

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