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vesna_86 [32]
3 years ago
15

What is the pH when the poH value is 2?

Chemistry
1 answer:
dimaraw [331]3 years ago
6 0

Answer:

i hate my life  PERIODT

Explanation:

WHY AM I HERE :/

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Four grams of magnesium react with an excess of dilute hydrochloric acid. Calculate the volume in liters of hydrogen gas collect
Helga [31]
Sorry I am confuse 3
5 0
3 years ago
Knowing the molarity of a solution is more meaningful than knowing whether a solution is dilute or concentrated. explain.
ser-zykov [4K]
Molarity is a measure of a solution's concentration calculation by getting the ratio of the number of moles of solute to the total volume of solution. This has a unit of M or molar, equivalent to mole/L. 

It is more important and meaningful to know the molarity rather than if the solution is dilute or concentrated because molarity gives the QUANTITATIVE approach of knowing the concentration while the second one only gives us the QUALITATIVE description of the solution. Hence, we are able to calculate for other unknown parameters if we have the molarity known.
5 0
3 years ago
The chemical equation of rusting of iron is given
artcher [175]

Answer:

{ \tt{(a). { \bf{reactants : { \tt{iron \:  and \: oxygen}}}}}} \\ { \bf{products :  { \tt{iron(iii)oxide}}}} \\  \\ { \tt{(b).}} \: { \bf{1.204 \times  {10}^{24}  \: atoms}} \\ { \tt{(c).}} \: { \tt{4Fe +3 O _{2}  → 2Fe _{2}O _{3}}} \\  \\ { \underline{ \blue{ \tt{becker \: jnr}}}}

6 0
2 years ago
True or false atoms are made up of tiny particles called molecules true or false
Nana76 [90]
False, Molecules are made of atoms and atoms are made of quarks.
4 0
3 years ago
When the equation below is correctly balanced, the coefficient for CO2 is
vaieri [72.5K]

Answer:

The answer to your question is 4

Explanation:

Chemical reaction

                C₂H₆  +  O₂  ⇒  CO₂  +  H₂O

           Reactants    Elements    Products

                  2            Carbon              1

                  6            Hydrogen         2

                  2            Oxygen             3

Balanced chemical reaction

                2C₂H₆  +  7O₂  ⇒  4CO₂  +  6H₂O

           Reactants    Elements    Products

                  4            Carbon             4

                 12            Hydrogen       12

                 14            Oxygen           14

When the reaction is balanced the coefficient for CO₂ is 4.

5 0
3 years ago
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