Ch = sh = why and find the stuff
You might have meant hemiacetal, not hemicetal.
Acetals contain two –OR groups, one –R group and a –H atom. In hemiacetals, one of the –OR groups in acetals is replaced by a –OH group<span>.
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0.000735 in scientific notation is 7.35 x 10^-4
Gold is one of the softest metals. So YES
