80g of sodium hydroxide reacts with excess sulfuric acid to produce 142g of sodium sulfate. what mass of sodium hydroxide would be needed in order to make 50g of sodium sulfate? answer to 1dp (give an explanation to get brainliest)
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Answer:
Mass of sodium hydroxide needed = 28.2 g
Explanation:
Given data:
Mass of sodium hydroxide = 80 g
Mass of sodium sulfate produced = 142 g
Mass of sodium hydroxide needed = ?
Mass of sodium sulfate produced = 50 g
Solution:
Mass of sodium sulfate produced / Mass of sodium hydroxide = Mass of sodium sulfate produced / x
142 g/ 80 g = 50 g / x
x = 50 g × 80 g / 142 g
x =4000 g/ 142
x = 28.2 g
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