Calculate the weight of $2.5$ moles of $C a C O_{3}$ .

200 g

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230 g

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240 g

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250 g

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Solution

The correct option is D $250 g$
We know that,
molar mass of $C a C O_{3}$ = 100g/mol
so, mass of 1 mole of $C a C O_{3}$ = 100g
so, mass of 2.5 moles of $c a C O_{3}$ = $100 \times 2.5 = 250 g$

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Calculate the weight of 2.5 moles of CaCO3.

The correct option is D 250gWe know that,molar mass of CaCO3 = 100g/molso, mass of 1 mole of CaCO3 = 100gso, mass of 2.5 moles of caCO3 = 100×2.5=250g

Calculate the weight of $2.5$ moles of $C a C O_{3}$ .

The correct option is D $250 g$
We know that,
molar mass of $C a C O_{3}$ = 100g/mol
so, mass of 1 mole of $C a C O_{3}$ = 100g
so, mass of 2.5 moles of $c a C O_{3}$ = $100 \times 2.5 = 250 g$