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avanturin [10]
3 years ago
10

Can 50g of NaCl dissolve in 100 g of water at 60 C?*

Chemistry
1 answer:
JulijaS [17]3 years ago
3 0

Answer:

Explanation:

The solubility of sodium chloride at 60 degree in water is 37.04 gm / 100 mL

or 37.04 gm / 100 gm of water

So 50g of NaCl can not be dissolved in 100 g of water.

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Can anybody check my answer?
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Answer:

\boxed{\text{25. 20 L; 26. 49 K}}

Explanation:

25. Boyle's Law

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p_{1}V_{1} = p_{2}V_{2}

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\begin{array}{rcrrcl}p_{1}& =& \text{100 kPa}\qquad & V_{1} &= & \text{10.00 L} \\p_{2}& =& \text{50 kPa}\qquad & V_{2} &= & ?\\\end{array}

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\begin{array}{rcl}100 \times 10.00 & =& 50V_{2}\\1000 & = & 50V_{2}\\V_{2} & = &\textbf{20 L}\\\end{array}\\\text{The new volume will be } \boxed{\textbf{20 L}}

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pV = nRT

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p = 101.3 kPa

V = 20 L

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R = 8.314 kPa·L·K⁻¹mol⁻¹

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101.3 × 20 = 5 ×  8.314 × T

2026 = 41.57T

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