Question

plz answer ASAP. I need ur help guys​

Answer 1

Answer:

Hope it helps you

The molecular weights of sodium sulphate -142

butane - 58

borax -382

Explanation:

i) 2(23)+32+4(16) =46+32+64 = 142

ii)4(12)+10(1) = 48+10 =58

iii) 2(23)+4(11)+7(16)+20(1)+10(16) = 46+44+112+20+160 = 382

Answer 2

Answer:

hope it helps you

please mark as brainlliest

and please follow me I will follow you back...