2 years ago

The milliliter is a metric unit for

Chemistry

1 answer:

kifflom [539]2 years ago

6 0

Answer:

volume because milliliters are a measuring unit, but it is a very small amount

E x p l a n a t i o n :

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Hey!!! Chemistry Question about MOLES... Please help...

yulyashka [42]

Answer:

= 13.0 moles O2

Explanation:

1] Given the equation: 2C8H18 + 25 O2 ----> 16CO2 + 18H2O

a. How many moles of oxygen gas are required to make 8.33 moles of carbon dioxide?

8.33 moles CO2 X

25mol O2

16mol CO2

= 13.0 moles O2

6 0

2 years ago

Read 2 more answers

Using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective sub

Lisa [10]

Sodium chloride because it contains the most reactive metal(sodium) and most reactive non-metal(chlorine).

6 0

3 years ago

What is the molar concentration of the acid if 35.18 mL of hydrochloric acid was required to neutralize 0.745 g of ALUMINUM hydr

Makovka662 [10]

The mass number of aluminium hydroxide is 78 thus, the number of moles in 0.745 g is:

no. of moles= mass/ RFM

= 0.745/78

=0.00955moles

Therefore the 0.00955 moles should be in the 35.18 ml

therefore 1000ml of the solution will have:

(0.00955ml×1000ml)/35.18

=0.2715moles

The solution will be 0.27M hydrochloric acid

3 0

3 years ago

If 1.546 g of copper was used by a student at the start of the lab, and 0.732 g of copper were obtained at

mash [69]

Answer: Percent recovery is 47.34 %

Explanation:

Percent yield is defined as the ratio of experimental yiled to theoretical yield in terms of percentage.

${\text{ percent yield}}=\frac{\text{amount recovered}}{\text{total amount}}\times 100$

Putting in the values we get:

${\text{ percent yield}}=\frac{0.732}{1.546}\times 100=47.34\%$

Therefore, the percent recovery is 47.34 %

8 0

3 years ago

Is 4Al + 3O2>Al2O balanced

Goryan [66]

Answer:

no it is not a balanced equation

5 0

3 years ago