The phrase "a viable mass" is correct and usable in written English.
It can be used in contexts discussing something that is practical, feasible, or capable of functioning effectively, often in scientific or technical discussions.
Example: "The researchers were pleased to discover a viable mass of cells that could be used for further experimentation."
Alternatives: "a workable quantity" or "a functional group".
But the left did not exist as a viable mass political force in the west: its battered remnants could get together a few placards complaining about the bankers, but it had no coherent alternative to offer.
I'm not sure that free music from indendent musicians is a viable mass market value proposition.
Once app publishers and developers implement the technology, mainstream consumers will follow, cementing blockchain as a viable mass market.
The basis of a viable mass transit system is population density, yet the Atlantic City route goes through largely rural areas of New Jersey.
One of the main culprits is the lack of a viable mass transit system anywhere in Southern California.
And the technology didn't exist to allow the EV1 to become a viable mass-market automobile.
The FFSL scheme presented here therefore offers a viable mass-conserving and computationally-efficient alternative to traditional semi-Lagrangian schemes for offline scalar transport simulation in coastal models.
Becoming a viable, mass-market manufacturer is quite another - especially when the mass market for electric cars does not actually exist yet.
The service is an attempt by the Bloomberg administration and the City Council to create a robust and viable mass transit alternative for a growing waterfront population that has struggled with clogged subway lines and bus routes that have been truncated or eliminated altogether.
You need a viable, functioning mass transit system so people get out of their cars and feel comfortable taking the mass transit system.
Meanwhile, scientists with the ATLAS and CMS experiments say that within a year they should have enough data to probe entire viable mass range from the lower limit of 114 GeV set by previous accelerators to several hundred GeV.
