How many grams is cacl2are there in 2.5moles?

There are 277.5 grams of CaCl₂ in 2.5 moles

Explanation:

The mass of a mole of a substance is known as its molar mass. It is defined as the mass of the amount of a substance which contains the elementary number of particles, 6.0 * 10²³.

The molar mass of calcium chloride, CaCl₂ is obtained by adding the sum of the atomic masses of the elements present in the compound.

Atomic mass of calcium, Ca, is 40 g/mol; atomic mass of chlorine, Cl, is 35.5 g/mol. Therefore, the molar mass of CaCl₂ = (40 + 2 * 35.5) g = (40 + 71) g = 111.0 g. Therefore, molar mass of CaCl₂ is 111.0 g/mol

Since there are 2.5 moles of CaCl₂ in the sample, its mass in grams = number of moles * molar mass of CaCl₂

mass in grams = 2.5 * 111.0 g = 277.5 g

Therefore, there are 277.5 grams of CaCl₂ in 2.5 moles

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