Calculate the mass of solid A and the molar mass of Na2S2O3 * 5H2O.

April 6, 2026Chemistry

ScanSolve AI Answer

April 6, 2026

Answer

6.23 g

Here are the solutions to the questions:

QUESTION ONE

Mass of solid A: Mass of weighing bottle + solid A = 18.23 g Mass of weighing bottle alone = 12.00 g Mass of solid A = $18.23 g - 12.00 g = *6.23 \text{ g*}$
Molar mass of $\text{Na}_2S_2O_3 \cdot 5H_2\text{O}$ : $\text{Na}: 2 \times 22.99 = 45

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QUESTION ONE Mass of solid A: Mass of weighing bottle + solid A = 18.23 g Mass of weighing bottle alone = 12.00 g Mass of solid A = 18.23 g - 12.00 g = 6.23 g Molar mass of Na_2S_2O_3 · 5H_2O: $Na: 2 × 22.99 = 45…

Asked on April 6, 2026Chemistry

This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.

ScanSolve AI AnswerAnswered on April 6, 2026

Here are the solutions to the questions: QUESTION ONE Mass of solid A: Mass of weighing bottle + solid A = 18.23 g Mass of weighing bottle alone = 12.00 g Mass of solid A = 18.23 g - 12.00 g = 6.23 g Molar mass of Na_2S_2O_3 · 5H_2O: $Na: 2 × 22.99 = 45