Question

How many formula units do you have in 3.6 mol of SrCl2?

Answer 1

Also is this right
What is the molar mass for Ca(OH)2?
74.093 g/mol

You weigh out a sample of 2.45 grams of fluorine. How many atoms are in your sample?
1.554*10^23 atoms of F

How many formula units do you have in 3.6 mol of SrCl2?
??????????????????????????????

Calculate the mass of SO2 produced when 185 grams of oxygen reacts using this equation:
2Cu2S + 3O2 ----> 2Cu2O + 2SO2
247 SO2



If a student decomposes 58.498 grams of aluminum carbonate and she collects the gas and measures 27.68 grams of carbon dioxide, determine the percent yield for this reaction. Al2(CO3)3 ----> Al2O3 + 3CO2
83.86 % yield




How many moles of iron metal are produced when 3.2 mol iron (III) oxide and 2.3 mol carbon monoxide react? Fe2O3 + 3CO ----> 2Fe + 3CO2
1.5 mol Fe

Answer 2

Anybody? I just want you to check my answers Please!!!!!!!!!!!!!!!!!!!!!!

Answer 3

@missMob

Answer 4

@Luigi0210

Answer 5

@primeralph you good at chemistry?

Answer 6

yeah

Answer 7

I'm good at Chemistry; still need my help?

Answer 8

yes please @primeralph !!!!!!!!

Answer 9

I wanted to know if the above problems were correct, and how to do number 3

Answer 10

Okay, hold on

Answer 11

ok :)

Answer 12

Hello?

Answer 13

@aprilsages

Answer 14

yes

Answer 15

Im here wassup?

Answer 16

@primeralph

Answer 17

1. is correct
Explain how you got the answer for 2?

Answer 18

ok actually I changed my answer for number 2, my new answer is 7.77 *10^22 atoms of F @primeralph

Answer 19

@primeralph u still there?

Answer 20

Yeah, that's now correct.

Answer 21

:)

Answer 22

Number 3.............?

Answer 23

I couldn't figure out how to do it

Answer 24

2.7E24

Answer 25

?

Answer 26

how'd you get it

Answer 27

@aprilsages I'm going to stop if you don't get back here.

Answer 28

sorry

Answer 29

ok I wont leave again

Answer 30

@primeralph it won't happen again, I'm sorry

Answer 31

It's fine, but know I'm here to help, not give answers.

Answer 32

Try number 4; then I'll tell you if you're right.

Answer 33

Yes, I understand, thanks for helping me :)

Answer 34

ok but we didn't figure out 3 yet........

Answer 35

I did. Check.

Answer 36

#4 is 247g SO2

Answer 37

u said 3 was 2.7E24?

Answer 38

was my answer for #4 correct?

Answer 39

yeah, I said that.
Chill.

Answer 40

haha srry no i was just making sure :)

Answer 41

@aprilsages I didn't mean to be rude. I meant chill for the answer to #4.

Answer 42

no i know :) it's all good

Answer 43

@primeralph u still here?

Answer 44

Chill........

Answer 45

I'm chill as ice, just can't tell if u r still here, btw how do u tell if ur still here?

Answer 46

Look at the top right of the page. My icon will be there.

Answer 47

o got it thanks

Answer 48

Yeah #4 is right.

Answer 49

k

Answer 50

4 #5 I got 83.86% yield

Answer 51

Yeah. I don't think you need my help.

Answer 52

no I do

Answer 53

Especially on #3 u told me answer but I wanna know how to solve it
Pleaseeeeeeeeeeeeee @primeralph

Answer 54

3.6 * Avogadro's

Answer 55

Yeah, all done.

Answer 56

ok and for #6 u said 1.5333333 not 1.5?

Answer 57

@primeralph

Answer 58

Keep it as 1.5 because of significant figures.

Answer 59

k thanks so much @primeralph ur the best!!!!!!!!!!!!!!!!!!!

Answer 60

Thank you and you're welcome.
Remember to give a medal and testimony.

Answer 61

....if you want.

Answer 62

how do I give a medal?

Answer 63

nvm got it :)