Astudent takes a measured volume of 3.00 mhcl to prepare a 50.0 ml sample of 1.80 m hcl. what volume of 3.00 m hcl did the student use to make the sample?

Volume of 3M solution: x
Moles in 3M solution: 3x

C = n/V
1,8 = 3x/0,05dm³
0,09 = 3x
x = 0,03dm³

A student need 0,03dm³ 3M HCl and 0,02dm³ of water.

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Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.