Volume percent = Volume the solute ---------------------------------- Volume that the equipment 2 Volume the the solute ------- = ------------------------------ 100 250 Volume that the solute = 2 x 250 ------------ 100 = 5 mL.Hope this helps!


You are watching: If the percent by volume is 2.0 and the volume of solution is 250ml what is the volume



no of moles in 4 grams that H2=4/2=2

2H2+O2............2H2O

the reaction shows that 2 moles of H2 react v 1 mole of O2 to produced 2 mole H2O

now no of moles in 36grams that H2O=36/18=2

therefore he needed 1 mole of O2 to create 36 grams the H2O and also 1 mole the oxygen is same to 32 grams of O2



Explanation :

Actually bromine have 35 electrons once it is neutral, and also if the variety of electrons is enhanced by 1 the gains a relative negative charge of 1.

Also written as : -1



What is the minimum quantity of 6.9 M H2SO4 crucial to develop 27.8 g that H2 (g) follow to the adhering to reaction? 2Al(s)+3H2S

mmsanotherstage2019.com : The minimum amount of 6.9 M

*
needed is, 2.0 L

Explanation :

The given chemical reaction is:

*

First we have to calculate the mole of

*

*

Molar fixed of

*
= 2 g/mol

*

Now we need to calculate the moles of

*

From the well balanced chemical reaction us conclude that,

As, 3 moles of

*
produced from 3 moles of
*

So, 13.9 mole of

*
created from 13.9 mole of
*

Now we have to calculate the mass of

*

*

*

*

Thus, the minimum lot of 6.9 M

*
required is, 2.0 L





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A college student determines that the variety of moles in a sample the Al2O3 is 8.3 moles. How countless grams are in the sample?

Mass : 846.268 g

Further explanation

The mole is the number of particles included in a substance

1 mol = 6.02.10²³

Moles can likewise be established from the lot of substance mass and its molar mass