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algol13
3 years ago
14

How do you convert moles to grams?

Chemistry
2 answers:
noname [10]3 years ago
8 0
No of moles = mass ÷ mr
mass = no of moles × mr
Mass is in g

Hope it helped!
aniked [119]3 years ago
7 0
Mole is mass (g) / Molar mass (mole/gram)

So to find mass in gram multiply the no.mole by Molar mass
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The lone pair of electrons on the oxygen atom in an ester can form hydrogen bonds in some situations, but esters cannot form hyd
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Answer:

Esters have lower boiling point than alcohols.

Explanation:

Esters are the fruity smelling compounds which are formed from carboxylic acid and alcohol with the removal of water.

The general formula for the ester is RCOOR' which is prepared from RCOOH acid and R'OH alcohol.

Ester can not form strong hydrogen bond as there is no hydrogen attached to the electronegative atom in the ester and thus cannot form hydrogen bonds with each other.<u> Due to this factor, the interactions within the molecules of the ester is lower than that of alcohols which exist in strong hydrogen bonding. As a result, ester can be easily boiled when compared to the alcohols and thus they have lower value of boiling points.</u>

4 0
3 years ago
Radium-221 has a half-life of 30 sec. How long will it take for 96% of a sample to decay?
monitta
We can calculate how long the decay by using the half-life equation. It is expressed as:

A = Ao e^-kt

<span>where A is the amount left at t years, Ao is the initial concentration, and k is a constant.
</span><span>From the half-life data, we can calculate for k.
</span>
1/2(Ao) = Ao e^-k(30)
<span>k = 0.023
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0.04Ao = Ao e^0.023(t)
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3 0
3 years ago
How many milliliters are in 458 liters?
Lemur [1.5K]

Answer:

458000

Explanation:

4 0
3 years ago
Read 2 more answers
Three solutions are mixed together to form a single solution; in the final solution, there are 0.2 mol pb(ch3coo)2, 0.1 mol na2s
RUDIKE [14]

We are given the compounds:

0.2 mol pb(ch3coo)2, 0.1 mol na2s, and 0.1 mol cacl2

Pb will react with both S and Cl to form a solid compound, therefore:

Pb+2 + S-2 ---> PbS(s) <span>
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<span>Lead(II) sulfide and Lead(II) chloride will precipitate.</span></span>

8 0
3 years ago
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(4.1357 x 10^-15) x (5.4 x 10^2) Answer must be in scientific notation
nadya68 [22]

Answer:

22×10⁻¹³

Explanation:

Scientific notation:

Scientific notation is the way to express the large value in short form.

The number in scientific notation have two parts.

The digits (decimal point will place after first digit)

× 10 ( the power which put the decimal point where it should be)

for example the number 6324.4 in scientific notation will be written as = 6.3244 × 10³

When we multiply or divide the values the number of significant figures must be equal to the less number of significant figures in given value.  Thus, in given value,

(4.1357× 10⁻¹⁵) × (5.4×10²)

22×10⁻¹³

5 0
3 years ago
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