HanahJai HanahJai

22-10-2016
Chemistry

Answered

how many molecules are in 450g of NaNO3?

Verified Answer :

Willchemistry Willchemistry

22-10-2016

molar mass NaNO3 = 84.99 g/mol

1 mole NaNO3 ----------- 84.99 g
?? moles NaNO3 -------- 450 g

450 x 1 / 84.99 => 5.294 moles

1 mole --------------- 6.02x10²³ molecules
5.294 moles ------- ??

5.294 x ( 6.02x10²³) / 1

=> 3.18x10²⁴ molecules

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