To calculate number of moles, all you do is divide the given mass by the molecular molar mass:
<span>i.e. 125g / 18g = 6.94444g </span>
<span>Therefore, your answer is (a) 6.94 g</span>
A vibrating string can create longitudinal waves as depicted in the animation below.
The answer is C) vibrations
Answer:
yes your answer is correct
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