The root-mean square speed of a gas A (molecular
weight = 60) at 600 K is equal to most probable speed
of another gas B at 240K. Find molecular weight of B.
O 4
O 16
O 40
O 160
Answers
Answered by
1
Answer:
60
Explanation:
The presence of calcium and magnesium bicarbonates Ca(HCO
3
)
2
and Mg(HCO
3
)
2
causes temporary hardness in water. The presence of soluble salts of calcium and magnesium, i.e., sulphates and chlorides of calcium and magnesium cause permanent hardness in water
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