"How much is missing" is correct and usable in written English.
You can use this phrase when you want to know what has not been received or completed. For example: "I counted the money in the register and it's not all there—how much is missing?".
"How much is missing?" The attending wiggled the thing more.
What is now left in museums is a sorry reminder of just how much is missing.
"Let us look at the amounts and the reasons being advanced for how much is missing.
In fact, the film's core flaw is just how much is missing from the original story arc.
In dystopian futuristic movies like The Terminator and The Matrix in which the world has been taken over by the machines, there is a subtext to these stories that illustrates how much is missing in these worlds without the human need for connection and purpose.
Watching the Marc Jacobs show online was a reminder of how much is missed on the flat screen: the way that fabrics actually move and the tension built by the music and the set.
On his return in July 2006, he was astonished to see how much was missing.
I might never have realized how much was missing from my recollection had I not read in a "Christmas Carol" marathon at the Housing Works Bookstore earlier this month.
B3 Church Embezzlement Inquiry Queens investigators said some questions might never be answered about sizable sums reported missing at Our Lady Queen of Martyrs Church in Forest Hills, including precisely how much was missing and how many people were involved.
Mr. Sandusky, facing grave charges and the possibility of imprisonment, discussed how much was now missing from his life, and how much more might be missing in the future.
She would like people to know her Sonya to know her strengths, her skills, and how much she was loved, how much she is missed, how much her family still hopes for justice for Sonya, and for the unborn baby they never got to meet.
