We have 30% (w/w) HCl this means :
100 g solution contains 30 g HCl
?? g solution contains 7.5 g HCl
By cross multiplication:
Mass of solution = $\frac{100 x 7.5 }{30}$ = 25 g solution

5 0

2 years ago

What are two characteristics of a good scientific investigation

LekaFEV [45]

It's observation and a hypothesis.

6 0

3 years ago

What is this compounds name?

Kitty [74]

The name is 2-Chloro Propane
Because the chlorine is linked to the second carbon atom when it is spread out

4 0

2 years ago

How many moles of Oxygen are in 0.52 mol of Ca(NO3)2?

RideAnS [48]

2 moles of NO3 contains 6 moles of O

8 0

2 years ago