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Daily Problem·Sunday, 16 July 2023Back to today

From the equation (H)

GCSE · Chemistry · AQA · C3.5 — Amounts of substance in equations (HT): using mole ratios to calculate masses of products and reactants

Question

(H6) Hydrogen is produced from natural gas: CH₄ + 2H₂O → CO₂ + 4H₂. Calculate the mass of H₂ from 8 g of CH₄. M_r(CH₄)=16; M_r(H₂)=2.

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