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Comprehension # 2 Calcium lacate is u...

Comprehension # 2
Calcium lacate is used in the food and beverage industries. It. Has also been used medicinally for treatment of various allergies, for treatment of muscular leg cramps, and as an antidote for variety of poisons, including lead, arsenicals and carbon tetrachloride. `A 0.8274 g` sample of anhydrous calcium lactate is found by analysis to contain `0.2732 g` of `C. 0.0382 g H, 0.1520 g Ca` and `0.3640 g O`. Each mole of calicum lactate is found to contain one mole of calcium ions. Calcium lactate can be crystallised from water as pentahydrate salt.
Formula weight of calcium lactate is :

A

`129 g "mol"^(-1)`

B

`111 g "mol"^(-1)`

C

`218 g "mol"^(-1)`

D

`113 g "mol"^(-1)`

Text Solution

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The correct Answer is:
C
Formula weight
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Comprehension # 2 Calcium lacate is used in the food and beverage industries. It. Has also been used medicinally for treatment of various allergies, for treatment of muscular leg cramps, and as an antidote for variety of poisons, including lead, arsenicals and carbon tetrachloride. A 0.8274 g sample of anhydrous calcium lactate is found by analysis to contain 0.2732 g of C. 0.0382 g H, 0.1520 g Ca and 0.3640 g O . Each mole of calicum lactate is found to contain one mole of calcium ions. Calcium lactate can be crystallised from water as pentahydrate salt. Simplest formula of the calcium lactate is :

Comprehension # 2 Calcium lacate is used in the food and beverage industries. It. Has also been used medicinally for treatment of various allergies, for treatment of muscular leg cramps, and as an antidote for variety of poisons, including lead, arsenicals and carbon tetrachloride. A 0.8274 g sample of anhydrous calcium lactate is found by analysis to contain 0.2732 g of C. 0.0382 g H, 0.1520 g Ca and 0.3640 g O . Each mole of calicum lactate is found to contain one mole of calcium ions. Calcium lactate can be crystallised from water as pentahydrate salt. How many grams of calcium lactate pentahydrate would be recovered from 1 g of anhydrous salt :

2.0 g of oxygen contains number of atoms same as in