Question

If 1 mole of NaOH is 40 grams, how many grams are there in 0.5 mole of NaOH?
A.10 g C. 30 g
B. 20 g D. 40 g

Answer 1

Answer:

you can choose options B .20g

Explanation:

when 1 mole of NaOH is 40g

• then 0.5 mole of NaOH is ➠0.5×40=20g

$\mathcal{BE \: BRAINLY}$