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3 years ago

What is the mass of glyphosate

Chemistry

1 answer:

Anvisha [2.4K]3 years ago

8 0

Answer:

169.07 g/mol

Explanation:

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Caffeine is one of many naturally occurring chemicals in tea plants that plays two important roles: protecting the plant from pr

AnnyKZ [126]

Caffeine is more soluble in dichloromethane and the both are separated by evaporating the solvent.

Caffeine is an organic plant material which is more soluble in non-polar solvents than in polar solvents. As such, caffeine is more soluble in dichloromethane than in pure water.

In order to carry out a liquid-liquid exaction of dichloromethane from a commercial teabag, the dichloromethane is mixed with water. The caffeine is found to be more soluble in the organic dichloromethane layer than in water.

The two solvents can now be separated using a separating funnel and the solution is evaporated to obtain the caffeine.

Learn more: brainly.com/question/967776

6 0

2 years ago

Round off each number to the indicated number significant figures (sf):

qaws [65]

Answer :

(a) The given number in 2 significant figures will be, $3.6\times 10^3$

(b) The given number in 4 significant figures will be, $3.583\times 10^1$

(c) The given number in 3 significant figures will be, $2.24\times 10^1$

Explanation :

Significant figures : The figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.

(a) The given number 00003554 converted into 2 significant figures.

In 00003554, there are 4 significant figures. Now we have to convert it into 2 significant figures.

The given number in 2 significant figures will be, $3.6\times 10^3$

(b) The given number 35.8348 converted into 4 significant figures.

In 35.8348, there are 6 significant figures. Now we have to convert it into 4 significant figures.

The given number in 4 significant figures will be, $3.583\times 10^1$

(c) The given number 22.4555 converted into 3 significant figures.

In 22.4555, there are 6 significant figures. Now we have to convert it into 3 significant figures.

The given number in 3 significant figures will be, $2.24\times 10^1$

7 0

3 years ago

What exactly is arsenic and what is it usted for

zaharov [31]

Answer:

it's a poison used to kill people in old times sry if it's wrong

Explanation:

3 0

3 years ago

22. pH is a measure of ______________.

just olya [345]

22 is a
23 is d
24 is c
I believe the answers are correct.

6 0

3 years ago

How many moles of water are produced from 32 grams of methane?

aleksklad [387]

Answer:

4 moles

Explanation:

$n_{CH4}$ = $\frac{32}{16}$ = 2 (moles)

CH4 + 2O2 → CO2 + 2H2O

1 : 2 : 1 : 2

2 (moles)

⇒ $n_{H2O}$ = 2 × 2 ÷ 1 = 4 (moles)

4 0

3 years ago