Question

Find Mass in grams of 20 moles of CaO
( Ca=40, O=16)

Answer 1

Answer:

0.371

Explanation:

mole grams

1 56

20 x

now unitary

Answer 2

Answer:

Moles = mass /molar mass

Mass = moles × molar mass

Mass = 20 × (40 + 16)

= 20 × 56

= 1120 g

Mass = 1120 grams

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