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katrin [286]
3 years ago
9

In a reaction between calcium hydroxide, Ca(OH)2, and lithium sulfide, Li2S, which of the

Chemistry
1 answer:
wolverine [178]3 years ago
6 0

Answer:

CaS calcium sulfide

Explanation:

hydroxides are insoluble except with group 1 like the lithium,

sulfides are insoluble in water and with calcium either

so CaS is insoluble

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Answer: There are 3.011 \times 10^{23} atoms present in 0.500 mol of CO_{2}.

Explanation:

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In a molecule of CO_{2} there is only one carbon atom present. Therefore, number of carbon atoms present in 0.500 mol of CO_{2} are as follows.

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A smaple of 1cm cuvette gives an absorbance reading of 0.558. if they absorptivity for this sample is 15000l/(mol.cm), what is t
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