Question

CHEMISTRY EXPERTS & Stars -: QUESTION-: Calculate the percentage of water of crystallisation in Na2B4O7.10H2O [Na=23,B=11,O=16,H=1] QUESTION FOR -: BRAINLY STARS MODERATORS OTHER USERS (best) _______________________________________ "_ NO SPAM _"​

Answer 1

Answer:

$Molar \: mass \: of Na2SO4.10H2O=323 \\ \\Water \: in \: mass \: of \:  10H2O=180  \\ \\ ∴  Percentge \: of \: Water \: of \: crystallisation = \frac{180}{323} \times 100 \\ \\ = 55.72 \: percent$

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