What is the atomic number

In a coffee-cup calorimeter, 1.55 g KOH is added to 125 ml of 0.80 M HCl. The following reaction occurs. KOH (s) + HCl (aq) → H2O (l) + KCl (aq) Due to the reaction, the temperature of the solution changes from 32.3°C to 38.2°C.

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What is the molarity of a solution containing 55.8 g of mgcl2 dissolved in 1.00 l of solution?

What is the density of a block of salt having a mass of 8.0g and a volume of 25cm cubed

What will happen when iodine solution is added to potassium chloride.

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For the baeyer-villiger oxidation of cyclohexyl methyl ketone

What will happen if the density of an object is less than the density of water?

Which cannot be separated into simpler substances? compound element solution mixture

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