Question

You add 500 mL of water at 10°C to 100 mL of water at 70°C. What is the

Answer 1

Answer:

Option (c) : 20°C

Explanation:

$t(final) = \frac{w1 \times t1 + w2 \times t2}{w1 + w2}$

T(final) = 500* 10 + 100*70/600 = 20°C