WILL MARK BRAINLIEST The freezing point of water is 0.00°C at 1 atmosphere.

How many grams of cobalt(II) chloride (129.8 g/mol), must be dissolved in 228.0 grams of water to reduce the freezing point by 0.450°C ? Refer to the table below for the necessary boiling or freezing point constant.

Solvent Formula Kb (°C/m) Kf (°C/m)

Water H2O 0.512 1.86

Ethanol CH3CH2OH 1.22 1.99

Chloroform CHCl3 3.67

Benzene C6H6 2.53 5.12

Diethyl ether CH3CH2OCH2CH3 2.02

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.

consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

24

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl