Chemistry, asked by Varunrf5918, 9 days ago

Calculate the mass of potassium needed to make 10.0g of hydrogen

Answers

Answered by woodelf

Answer:

390g

Explanation:

2K. +. 2H2O=2KOH +H2

39*2 g. 18*2g. 2*56g. 2g

78*5g. 36*5g. 112*5g 2*5g

390g of K on reacting with 180g of water gives 560g of KOH and 10g of H2

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