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patrickdolano
18.03.2020 •
Chemistry
Calculate the mass of calcium phosphate and the mass of sodium chloride that could be formed when a solution containing 12.00g of sodium phosphate is added to a solution containing 10.0g of calcium chloride
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Ответ:
Answer : The mass of calcium phosphate and the mass of sodium chloride that formed could be, 9.3 and 10.5 grams respectively.
Explanation : Given,
Mass of
= 12.00 g
Mass of
= 10.0 g
Molar mass of
= 164 g/mol
Molar mass of
= 111 g/mol
Molar mass of
= 58.5 g/mol
Molar mass of
= 310 g/mol
First we have to calculate the moles of
and
.
and,
Now we have to calculate the limiting and excess reagent.
The balanced chemical reaction is:
From the balanced reaction we conclude that
As, 3 mole of
react with 2 mole of ![Na_3PO_4](/tpl/images/0552/3362/186f5.png)
So, 0.0901 moles of
react with
moles of ![Na_3PO_4](/tpl/images/0552/3362/186f5.png)
From this we conclude that,
is an excess reagent because the given moles are greater than the required moles and
is a limiting reagent and it limits the formation of product.
Now we have to calculate the moles of
and ![Ca_3(PO_4)_2](/tpl/images/0552/3362/7c067.png)
From the reaction, we conclude that
As, 3 mole of
react to give 6 mole of ![NaCl](/tpl/images/0552/3362/e5860.png)
So, 0.0901 mole of
react to give
mole of ![NaCl](/tpl/images/0552/3362/e5860.png)
and,
As, 3 mole of
react to give 1 mole of ![Ca_3(PO_4)_2](/tpl/images/0552/3362/7c067.png)
So, 0.0901 mole of
react to give
mole of ![Ca_3(PO_4)_2](/tpl/images/0552/3362/7c067.png)
Now we have to calculate the mass of
and ![Ca_3(PO_4)_2](/tpl/images/0552/3362/7c067.png)
and,
Therefore, the mass of calcium phosphate and the mass of sodium chloride that formed could be, 9.3 and 10.5 grams respectively.
Ответ:
Cation and anion
Explanation:
Positive ion is known as cation and negative ion is known as anion