Answer:
14,938 tablets.
Explanation:
WE divide:
1.21 kg / 81 mg
1.21 kg = 1,210 g = 1.210,000 mg.
So it is 1,210,000 / 81
= 14,938 tablets.
Answer:
Sorry i really dont know goodluck
Explanation:
Answer : The volume of
required is, 60 L
Explanation :
First we have to calculate the moles of ![CaCl_2](https://tex.z-dn.net/?f=CaCl_2)
![\text{Moles of }CaCl_2=\text{Concentration of }CaCl_2\times \text{Volume of solution}](https://tex.z-dn.net/?f=%5Ctext%7BMoles%20of%20%7DCaCl_2%3D%5Ctext%7BConcentration%20of%20%7DCaCl_2%5Ctimes%20%5Ctext%7BVolume%20of%20solution%7D)
![\text{Moles of }CaCl_2=0.100M\times 3.00L=0.3mol](https://tex.z-dn.net/?f=%5Ctext%7BMoles%20of%20%7DCaCl_2%3D0.100M%5Ctimes%203.00L%3D0.3mol)
Now we have to calculate the moles of ![AgNO_3](https://tex.z-dn.net/?f=AgNO_3)
The balanced chemical reaction will be:
![2AgNO_3+CaCl_2\rightarrow 2AgCl+Ca(NO_3)_2](https://tex.z-dn.net/?f=2AgNO_3%2BCaCl_2%5Crightarrow%202AgCl%2BCa%28NO_3%29_2)
From the balanced chemical reaction we conclude that,
As, 1 mole of
completely react with 2 moles of ![AgNO_3](https://tex.z-dn.net/?f=AgNO_3)
So, 0.3 mole of
completely react with
moles of ![AgNO_3](https://tex.z-dn.net/?f=AgNO_3)
Now we have to calculate the volume of
required.
![\text{Volume of }AgNO_3=\frac{\text{Moles of }AgNO_3}{\text{Concentration of }AgNO_3}](https://tex.z-dn.net/?f=%5Ctext%7BVolume%20of%20%7DAgNO_3%3D%5Cfrac%7B%5Ctext%7BMoles%20of%20%7DAgNO_3%7D%7B%5Ctext%7BConcentration%20of%20%7DAgNO_3%7D)
![\text{Volume of }AgNO_3=\frac{0.6mol}{0.0100M}=60L](https://tex.z-dn.net/?f=%5Ctext%7BVolume%20of%20%7DAgNO_3%3D%5Cfrac%7B0.6mol%7D%7B0.0100M%7D%3D60L)
Therefore, the volume of
required is, 60 L
<h3>(c) Terylene fibres</h3>
Explanation:
<h3>TERYLENE FIBRES </h3>
- Terylene Fibres is a crease-resistant, long-lasting material with a low moisture content. Pests like as moths and mildew have no effect on it. As a result, it's utilized to make fabrics that can be washed and wear clothes. It's also mixed with cotton (Terycot) and wool (Terywool) to add durability.