1.which of the following solutions is diluted?
a. 2g/100g solution
b. 1g/50g solution
c. 2g/50g solution
d.1g /100g solution

2.the label of the 500 ml rubbing alcohol that mike both shows that it contains 70% ethyl alcohol how many ml of ethyl alcohol is present in the solution ,
a. 100ml
b. 200ml
c. 375ml
d. 500ml
3.mica needs 100g of glucose in 6 hours how many liters of 5% glucose solution should be given?
a.1L
b.2L
c.3L
d.5L
4. what is consecration (in % by volume) of a solution containing 40.0 ml alcohol an 500ml water
a.7.40%
b.12.5%
c.20.5%
d.11.25%
5.how many grams of salt are needed to prepare 400ml of a 10% brine solution ?
a.15g salt
b.25
c.20g of salt
d.40g of salt​