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The Aldol Addition

28. 20g of Mg...

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28. 20g of Mgco3react and gives 8g of Mgo and Co2 then find the purity of Mgco3

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Q. In the decomposition of 10 g of

M g {C O}_{3}

{C O}_{2}

and 4.0 g MgO are obtained. Hence, percentage purity of

M g {C O}_{3}

20g of Mg2co3 sample decomposes on heating to give co2 and 8 g Mgo what will be ℅purity of Mg2co3 in sample

C a {C O}_{3}

completely reacts with

H_{2} {S O}_{4}

and gives 8 g of

{C O}_{2}

then calculate the percentage purity of

C a {C O}_{3}

.

C a {C O}_{3} + H_{2} {S O}_{4} ⟶ C a {S O}_{4} + {C O}_{2} + H_{2} O

Q. 18.4g mixture of

C a C O_{3}

M g C O_{3}

, on strongly heating gives 8.8g of

C O_{2}

gas. Calculate mole percentage of

M g C O_{3}

in the mixture.

Q. What is the percent yield of the following reaction if

42 g

M g C O_{3}

is heated to give

10 g

M g O

M g C O_{3} \to M g O + C O_{2}

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