Question

the percentage of hydrogen in a mixture was increase by 25℅ to 150 mL. what was the original amount of hydrogen in the mixture?​

Answer 1

=150 of 20%

=150 × 20/100

=30ml

Total amount of hydrogen =150 +30 ml

=180ml

Answer 2

Answer:

600ml

Step-by-step explanation:

Increase in the amount of hydrogen. 25%

Increased amount 150ml

therefore,Original amount. 150*100/25

600ml

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