配制50g溶質(zhì)質(zhì)量分數(shù)8%的葡萄糖溶液，需要固體葡萄糖______g；若用溶質(zhì)質(zhì)量分數(shù)20%的葡萄糖溶液______g加水也可稀釋成50g溶質(zhì)質(zhì)量分數(shù)8%的溶液．

配制50g溶質(zhì)質(zhì)量分數(shù)8%的葡萄糖溶液，需要固體葡萄糖________g；若用溶質(zhì)質(zhì)量分數(shù)20%的葡萄糖溶液_________g加水也可稀釋成50g溶質(zhì)質(zhì)量分數(shù)8%的溶液。