溶质:330.9*15%=49.635(g)
溶液:49.635/10%=496.35(g)
所以有水496.35-49.635=446.715(g)
原有水330.9*(1-15%)=281.265(g)
故加水446.715-281.265=165.45(g)
所以V=质量/密度=165.45(mL)
溶质:330.9*15%=49.635(g)
溶液:49.635/10%=496.35(g)
所以有水496.35-49.635=446.715(g)
原有水330.9*(1-15%)=281.265(g)
故加水446.715-281.265=165.45(g)
所以V=质量/密度=165.45(mL)