Question

chemistry

Answer 1

@vocaloid

Answer 2

add up the molar masses of all the elements

be careful with parentheses. the 2 outside (NH2)2 means take the mass of NH2 and double it.

Answer 3

how would I double it

Answer 4

double means multiply by 2

Answer 5

but theres two 2's

Answer 6

The 2 next to the H means 2 hydrogen atoms

the 2 outside the entire (NH2) means two molecules of NH2

so for NH2 ---> add nitrogen, plus hydrogen, plus another hydrogen

then, to calculate (NH2)2, double the the sum so far

Answer 7

16.032 how do i double it

Answer 8

double means multiply by 2

Answer 9

32.046 + C + O?

Answer 10

yup, keep going

Answer 11

how do I round 60.056

Answer 12

the answer wants 2 decimal places

0.056 is 3 decimal places

look at the 2nd decimal place, since it's 5, we round up to 0.06 so 60.06 is your solution