What quantity of 68% hydrochloric acid solution must be mixed with a 18% hydrochloric acid solution to produce 1657.69 mL of 31% solution?

yes

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step-by-step explanation:

answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)

honesty mood

step-by-step explanation: