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3 years ago

14

Which contains the greatest number of moles of oxygen atoms: 1 mol of ethanol (c2h5oh), 1 mol of formic acid (hco2h), or 1 mol o

f water (h2o)? explain why?

1 answer:

Darina [25.2K]3 years ago

7 0

1 mol of formic acid is correct. There are two oxygen atoms in formic acid, compared to just one for the other molecules.

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I really need help with this problem.

Aleksandr [31]

Answer:

.371 mole of NaCl

Explanation:

Na Cl Mole weight = 22.989 + 35.45 = 58.439 g/mole

21.7 g / 58.439 g/mole = .371 mole

8 0

2 years ago

Joe bought a roll of gray duct tape containing 5400 inches. If there are 5280 feet in a mile, how

miss Akunina [59]

Answer:

STANDARD: 0.085 mi, 450 ft, or 150 yds

METRIC: 0.137 km, 137.16 m, or 13716 cm

Explanation:

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3 years ago

Given the balanced equation representing a reaction occurring in an electrolytic cell:

Vikki [24]

The answer is (4) at the cathode, where reduction occurs. The Na+ gains one electron and become Na(l). So the reaction occurs at cathode and is reduction reaction.

4 0

3 years ago

Read 2 more answers

6. _atom a. shows the elements and ratio of atoms in a

Roman55 [17]

Answer: In the first paragraph, name a theme of Paul Laurence Dunbar's poem "Sympathy," and explain how it develops, citing specific examples

Explanation:

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2 years ago

How much time would it take to distribute one avagadro's number of wheat grains if 10^10 grains are A)1.9*10^2 years B)1.9*10^10

Makovka662 [10]

Answer:

It takes 1.9 $\times 10^{6}$ years to distribute all the grains.

Explanation:

In one second, $10^{10}$ grains of wheat are distributed.

We are supposed to find the time it would take to Distribute Avogadro number of grains.

1 avogadro number = 6.022 $\times 10^{23}$

Number of grains distributed in 1 day = 86400 $\times 10^{10}$

= 8.64 $\times 10^{14}$

Number of grains distributed in 1 year= 8.64 $\times 10^{14} \times 365$

= 3.1536 $\times 10^{17}$

Time taken = $\frac{Number of grains to be distributed}{grains distributed in 1 year}$

= $\frac {6.022 \times 10^{23}}{3.1536\times 10^{17}}$

= 1.9 $\times 10^{6}$

7 0

3 years ago