2 years ago

How many atoms are in 76.15 grams of fe urgently needed, will mark brainliest

Chemistry

1 answer:

Ira Lisetskai [31]2 years ago

3 0

Answer:

See below

Explanation:

From periodic table

mole weight of Fe is 55.845 gm / mole

76.15 gm / 55.845 gm/mol * 6.022 x 10^23 atoms/mole =

<u> 8.212 x 10^23 atoms ( four signif. digits) </u>

You might be interested in

Students measuring the mass of a substance record 1.127 g, 1.214 g, 1.304 g, and 1.184 g. Which other measurement of the substan

pickupchik [31]

Answer:1.205g

Explanation:

4 0

3 years ago

Assume that 8.5 L of iodine gas (I2) are produced at STP according to the following balanced equation:2KI(aq) + Cl2(

Aliun [14]

Answer: 0.3794 moles of Iodine gas are produced.

Explanation:

$2KI(aq)+Cl_2(
g)\rightarrow 2KCl(aq)+I_2$

Volume of iodine gas produced at STP =8.5 L

At STP, the 1 mol of gas occupies volume = 22.4 L

So, 8.5 L of volume will be occupied by: $\frac{1}{22.4 L}\times 8.5=0.3794 moles$

0.3794 moles of Iodine gas are produced.

5 0

3 years ago

Read 2 more answers

Help please!! I'll name you brainliest!!

balu736 [363]

Answer:

MgO

Explanation:

4 0

3 years ago

How many Joules of energy in 3565 calories? <br> Explain

nignag [31]

Answer:

14915960J

Explanation:

brendatferreira answered it on another slide this person said they used a converter

3 0

3 years ago

How can melting point and boiling point identify a substance

Nikolay [14]

Answer:

to determine of it is a solid liquid or gas.

Explanation:

The melting point is the temperature at which a substance converts from a solid state to a liquid state.

8 0

4 years ago