Answer:
I don't have one sorry
Explanation:
it's because I can't see the question I don't know it I'm sorry dude
Answer:
A cell's plasma membrane, also known as the cell membrane, provides protection. It also maintains a constant atmosphere within the cell, and the membrane serves a variety of purposes. The first is to transport nutrients into the cell, and the second is to transport toxic compounds out
Explanation:
88.98 %
The Balance Chemical Equation is as follow,
2 HCl + Pb(NO₃)₂ → 2 HNO₃ + PbCl₂
According to equation,
331.2 g (1 mole) Pb(NO₃)₂ produces = 278.1 g (1 mole) PbCl₂
So,
870 g of Pb(NO₃)₂ will produce = X g of PbCl₂
Solving for X,
X = (870 g × 278.1 g) ÷ 331.2 g
X = 730.5 g of PbCl₂
Therefore,
Theoretical Yield = 730.5 g
Also as given,
Actual Yield = 650 g
So using following formula for percentage yield,
%age Yield = (Actual Yield / Theoretical Yield) × 100
Putting values,
%age Yield = (650 g / 730.5 g) × 100
%age Yield = 88.98 %
Brianliest please and thank you.
Answer:
4 moles, 160 g
Explanation:
The formula for the calculation of moles is shown below:
![moles = \frac{Mass\ taken}{Molar\ mass}](https://tex.z-dn.net/?f=moles%20%3D%20%5Cfrac%7BMass%5C%20taken%7D%7BMolar%5C%20mass%7D)
For
:-
Mass of
= 196 g
Molar mass of
= 98 g/mol
The formula for the calculation of moles is shown below:
![moles = \frac{Mass\ taken}{Molar\ mass}](https://tex.z-dn.net/?f=moles%20%3D%20%5Cfrac%7BMass%5C%20taken%7D%7BMolar%5C%20mass%7D)
Thus,
![Moles= \frac{196\ g}{98\ g/mol}](https://tex.z-dn.net/?f=Moles%3D%20%5Cfrac%7B196%5C%20g%7D%7B98%5C%20g%2Fmol%7D)
![Moles\ of\ Sulfuric\ acid= 2\ mol](https://tex.z-dn.net/?f=Moles%5C%20of%5C%20Sulfuric%5C%20acid%3D%202%5C%20mol)
According to the given reaction:
![2NaOH+H_2SO_4\rightarrow Na_2SO_4+2H_2O](https://tex.z-dn.net/?f=2NaOH%2BH_2SO_4%5Crightarrow%20Na_2SO_4%2B2H_2O)
1 mole of sulfuric acid reacts with 2 moles of NaOH
So,
2 moles of sulfuric acid reacts with 2*2 moles of NaOH
Moles of NaOH must react = 4 moles
Molar mass of NaOH = 40 g/mol
<u>Mass = Moles*molar mass =
= 160 g</u>
Hello there.
<span>
4 multicellular yes autotrophic It is unable to move around its environment.
</span><span>D. kingdom protista </span>