Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations

Easy71%

A large synthetic polymer complex is made up of $3$ identical copolymer chains.

The entire complex has an approximate relative formula mass ( $M_r$ ) of $270, 000, 000, 000$ .

What is the approximate relative formula mass of the polymer complex written in standard form?

[1]

What is the approximate relative formula mass ( $M_r$ ) of each of the $3$ individual copolymer chains?

[2]

Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations Questions