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nata0808 [166]
3 years ago
11

What percentage of the mass of 1 mole of CH3Cl is derived from carbon?​

Chemistry
1 answer:
steposvetlana [31]3 years ago
3 0

Answer:

Element Symbol Atomic weight Atoms Mass percent

Carbon C                  12.0107               1              23.7894

Hydrogen H         1.00794                3         5.9892

Chlorine Cl                 35.453                 1       70.2213

Explanation:

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What’s the formula for Lead(II) chlorite?
elena-s [515]

Answer:

Pb(ClO2)2

Explanation:

4 0
3 years ago
while doing an experiment you got stuck and didn't know how to proceed what will you do to continue with the experiment​
stiv31 [10]

Answer:

Look for extra things to do, small details, until you find a big enough one to go off that to continue

Explanation:

n/a

7 0
3 years ago
Consider the reaction: CH4 + 2O2 = CO2 + 2H2O
crimeas [40]

Answer:

The answer to your question is:

a)  80 g of O2

b) O2, 15.13 g of CO2

c) It's not posible to know which is the limiting reactant.

Explanation:

Reaction                             CH4   +   2O2   ⇒   CO2   +   2H2O

a. Calculate the grams of O2 needed to react with 20.00 grams of CH4. _____________

MW CH4 = 16 g

MW O2 = 32 g

                               16 g of CH4 ----------------  2(32) g of O2

                               20 g              --------------    x

                               x = (20 x 64) / 16 = 80 g of O2

b. Given 15.00 g. of CH4 and 22.00 g. of O2, identify the limiting reactant and calculate the grams of CO2 that can be produced. LR _________ grams CO2 _________ .  

                                CH4   +   2O2   ⇒   CO2   +   2H2O

                                15 g         22 g

                                16 g of CH4 ----------------  64 g of O2

                                15 g of CH4  ---------------   x

                               x = (15 x 64) / 16 = 60 g of O2

The Limiting reactant is O2 because it is necessary 60g of O2 for 16 g of CH4 and there are only 22.

                                 CH4   +   2O2   ⇒   CO2   +   2H2O

                        64 g of O2 ------------------  44 g of CO2

                        22 g of O2 ------------------   x

                        x = (22 x 44)/ 64 = 15. 13 g of CO2

c. For the reaction CH4 + 2O2 = CO2 + 2H2O, if you have 10.31 g. of CH4 and an unknown amount of oxygen, and form 20.00 g. of CO2, i. Identify if there is a limiting reactant ______________ ii. Calculate the number of grams of the limiting reactant present if there is one. ______________  

                           CH4   +   2O2   ⇒   CO2   +   2H2O                              

                           10.31 g                     20 g

We can identify the limiting reactant if we know the quantity of the reactants, if we only know the quantity of one it is not posible to which is the limiting reactant.

4 0
2 years ago
To minimize the sharp ph shift that occurs when a strong acid is added to a solution
adell [148]
To minimize the sharp pH shift that occurs when a strong acid is added to a solution, IT IS PRACTICAL TO ADD A WEAK BASE.
When a strong acid is added to a solution, it usually brings about a sharp change in the pH of the concerned solution. To avoid this, one can add a  weak base to the solution first. The weak base will serves as a buffer for the strong acid and prevents the solution from experiencing sharp pH variations.
4 0
3 years ago
Which of the following is used as a refrigerant?<br> methane<br> esters<br> freon<br> fluorine
zepelin [54]

Answer: I believe the answer would be methane

Explanation:

Hope this helps

6 0
3 years ago
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