Determine the number of moles of solute needed to prepare these solutions:
(a) 2.0 L of 0.15 M NaCl
(b) 275 mL of 2.5 .MIINO,
(c) 41.6 mL of 2.75 M KCH
(d) 450 L of1.1 V (NIT).SO.

Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.