question: it is an easy calculation for us, namely 3361.
Capitalize this past sentence correctly.
A: It is an easy calculation for us, namely 3361.

question: the flask was washed with a small volume of acetonitrile, which was also transferred to the tubes.
Capitalize this past sentence correctly.
A: The flask was washed with a small volume of acetonitrile, which was also transferred to the tubes.

question: it gives the game a greater sense of urgency.
Capitalize this past sentence correctly.
A: It gives the game a greater sense of urgency.