Question

Determine the mass by mass percentage concentration of 200g salt solution which
contain 30g salt.

plz anss fast with formula

please
​

Answer 1

Explanation:

Solution:- (B) 30%

As we know that,

mass by mass percent=

Total wt. of salt

Wt. of salt

×100

Given that:-

Weight of salt = 30 g

Total weight of salt = 200g

∴ mass by mass Solution:- (B) 20%

As we know that,

mass by mass percent=

Total wt. of salt

Wt. of salt

×100

Given that:-

Weight of salt = 20 g

Total weight of salt = 200 g

∴ mass by mass percent=

100

20

×100=30%=

100

20

×100=30%