ariafitz1601 ariafitz1601

09-02-2020
Chemistry

contestada

Please help 4.0 moles of H2O would have what mass?



72 g



68 g



23 g



18 g

Respuesta :

rishisharma54321 rishisharma54321

09-02-2020

correct answer will ve:

D. 18 g

Answer Link

bobfenton bobfenton

09-02-2020

Answer:

72 g

Explanation:

formula: n=m/Mr

therefore, by rearranging the formula we can find the answer.

n x Mr = m

Mr(H2O)= (2x1+16)=18

4.0x18=72

hence your answer 72 g

Hope this helps

Answer Link

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