A 1.78 g sample of scandium metal is reacted with excess hydrochloric acid to produce 0.1188 g hydrogen gas. W?
A 1.78 g sample of scandium metal is reacted with excess hydrochloric acid to produce 0.1188 g hydrogen gas. What is the formula of the scandium chloride produced in the reaction? (Type your answer using the format H2O for H2O.)
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