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Gnesinka [82]
3 years ago
14

One of the essential minerals in the human body is salt. How much salt (NaCl) is in the average adult human body?

Chemistry
1 answer:
Brilliant_brown [7]3 years ago
6 0

The human body contains many salts, of which sodium chloride NaCl is the major one, making up around 0.4 per cent of the body's weight. So a 50kg person would contain around 200g of sodium chloride - around 40 teaspoons. Since we lose salt whenever we sweat, it has to be continually replaced.

Answer: 0.4% of body weight.

//Not sure, but hope it helps.

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2. 2AgNO3 + CaCl2 → 2AgCl + Ca(NO3)2
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Answer:

84.4g of AgCl

Explanation:

Based on the reaction:

2AgNO₃ + CaCl₂ → 2AgCl + Ca(NO₃)₂

<em>2 moles of AgNO₃ and 1 mole of CaCl₂ priduce 2 moles of AgCl and 1 mole of Ca(NO₃)₂</em>

<em />

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CaCl₂: 100g × (1mol / 110.98g) = 0.901 moles

For a complete reaction of 0.901 moles of CaCl₂ are necessaries 0.901×2 = <em>1.802 moles of AgNO₃. </em>As there are just 0.589moles, <em>AgNO₃ is limitng reactant</em>

<em></em>

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